How to repeat number in matlab. For loops iteration in matlab.

How to repeat number in matlab Every time you initialize Each number occurs exactly once. You can change EN (number of rows), the "number of columns" n and/or the "step between rows" step. Repeating rows of matrix in MATLAB. 3. mock. We use unique here to find all of the unique values in our input array, a. If I have a string 'dog', I want to repeat it so that it is like this: v = ['dog', 'dog', 'dog', 'dog'] Each string is a separate entry in the vector v. Show -1 older comments Hide -1 older comments. Extend vector in Matlab. The numbers are the same for each row, 1-9, and there are no duplicates of a number in the same row. Use an array, a, of all of them. how to replicate an array. Modified 11 years, @thanks gnovice since i am adding columns to the G after every iteration and need to find the number of 1's to the latest iteration i am using the above answer slightly modified sum(G(:,i) matlab; count; numbers; I want to check and print the number of the repeated numbers between each "natural numbers". 7. 1 1 1 3 3 3 7 7 7 9 9 9 repmat is good when you want to repeat an array of elements, here I repeat a itself 3 times in the row dimension, and 2 times in the column dimension: Find the treasures in MATLAB Central and discover how the community can help you Y=[1 3 4;1 6 9;6 7 8] o Y=[1 3 5;6 8 6;1 5 3] x Like this numbers of each row should be generated randomly with no repetition And no rows should have numbers Third row of input i. If n is a One of the best methods for doing such things is Using Tony's Trick. If anyone help me for it and save me I will be grateful. TikZ: Placing a Node Relative to Specific Points on a Curve Last ant to fall off stick, and number of turns How do I make expr Given a single string value in a MATLAB character array: ['12 N'] How can I repeat this value X times in a new character array? Matlab: repeat string elements N times. This tutorial will demonstrate the basic layout of a for loop and 4 examples of its use, all using the version MATLAB R2022a. For loops iteration in matlab. I need to find a more concise way of repeating different numbers, each a different number of times in a row. 5445 0. Improve this answer. 1001 -0. Matlab: repeat string elements N times. e 8 14 is second row of output as both the numbers have never been repeated before in the output matrix. 1 2 3 4 5 6 7 8 10 to 1 1 1 1 1 1 1 1 1 1 ; 2 2 2 2 2 2 2 2 2 The answers mentioning hold all are correct and useful for cycling through the colors specified by the ColorOrder axes property (even though just hold on is now equivalent to hold all). Modified 11 years, 9 months ago. Can you make a 3d matrix from one 2d matrix repeated a set number of times? 1. So it would be [ If there is other data in columns to the left of the array A that does not follow the same repeating pattern, can I still count how many times each number in a certain column is repeated? 2 Comments Show None Hide None Repeat a string in JavaScript a number of times. Control Random Number Generation. Select a Web Site. e 14 19 is not needed as the number 14 is present in output i. Hello everybody I have an array like array=[3 4 2 1] and I want to create another array which contain repetition of values in this array by no of values in matrix. A=[44 68 91 876 44 68 91 44 68 91 54 44 68 91] I need output as follows 44 68 91 as repeating sequence and number of times it repeated is 4. Author: Ammar Ali. Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 Open in MATLAB Online. Run the command by entering it in the MATLAB Command Window. 3 strings) of test1 , then test2 , and last the content of test3 . doc intersect. g. 495 5 5 Return all unique permutations of possibly-repeating array elements. Creating numbers with "For loop" using matlab / octave. Learn more about repeat columns I need to generate a input variation in the form % For wxample col1 :2 4 6 2 4 6 2 4 6 2 4 6 col2 :1 1 1 1 1 1 2 2 2 2 2 2 col2 :5 5 5 5 5 5 5 5 5 5 5 5 is there any shorter way to breadth is the number of columns, in my case it's m. You could go further, for example use: counts=hist(Array(find(diff(Array)==0))) Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting! I want to remove duplicate rows from a matrix. Count the number of times a number is repeating in a vector. Check out the documentation here. How to repeat number of array by values in Learn more about repeat . You might think that it's a good idea, or even necessary, to use it to get "true" randomness in MATLAB. The idea is each of these numbers is an index of another array: value=[3 0 2 5 3 2 1 0 0 2 7 7 3 7 8]; all equally spaced, which is supposed to mean: realvalue=[30 25 3 2 100 27 73 78]; and im trying to get the array 'realvaue' from arrays 'a' and 'value' MATLAB will not need to recalculate anything in that case, only pull the indices out of memory, which is as efficient as MATLAB gets in most circumstances. Hi, How do I create 10 sets of random numbers within a range such that after every set, the numbers previously generated can’t be repeated or generated again i. 4. e [ 1 2 3 4] I want to repeat that specific vector a certain number of times, to make a matrix of x rows. So even if you scramble their location, each number still appears only once. so when you count the occurrences of each MATLAB repeat numbers based on a vector of lengths. Element-wise array replication in Matlab (7 answers) Matlab Repeat Value (1 answer) Repeat copies of array elements: Run-length decoding in MATLAB (5 answers) How to repeat without using "for" or "while" or "repeat" functions? 0. I want combination of the two numbers are non repeating. Hope that helps. The solution above removes duplicate values (cells) from matrix (and returns a vector), but I need to remove duplicate rows and return a matrix — the same matrix without duplicate rows How to repeat a for loop n times. Thanks! matlab; Share. One way to get different random numbers is to initialize the generator using a different seed every time. 2. My question is: How to repeat the code to each vector (from R1 to Rn)? ‏I'm a beginner with matlab, I'm not familiar with code. If n is a vector, then each element of n specifies the number of times to repeat the corresponding element of v. i. The "find" in the 2nd line changes the values into indices before passing to ismember, which just makes the output nonsense. ; Generate Random Numbers That Are Repeatable This example shows how to repeat arrays of random numbers by specifying the generator algorithm and seed first. Matlab: Create a matrix from a row vector according to specifications. Instead of using s = rng I tried using a fixed number but that does not repeat the random number sequences. How do I repeat a row a certain number of times?. Many other functions call those three, but those are the fundamental building blocks. For n times, use kron(A, ones(n,1)). Viewed 3k times MATLAB: extract numerical data from alphanumerical table and save as double. You can use the function repelem to repeat the characters the wanted number of times. expand all. I'm trying to create a diagonal matrix with the following sequence on the main diagonal line where v is the vector v=[4,1,0,1] to get the following matrix [4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Count duplicate numbers in column [duplicate] Ask Question Asked 11 years, 9 months ago. Learn more about matrix, matrix array, array, for loop MATLAB end States Basically it outputs an array of size (N,1) consisting of 1s and -1s. Ask Question Asked 8 years, 11 months ago. Learn more about rows, repeat, padarray Hello, I have a 7832x20 matrix(A) and and I would like to create another identical sized matrix(B) where the first 22 rows of B are equal to the first row of A, the 23rd up to the 44th row of B to When we use repmat to repeat an element more than once, the number of times you must specify each piece repeats within parentheses after the repeated element. You need the intersect command. How to respresent and plot data while on loop in Matlab? 1. If you know the number of times you want to loop through your code, a for loop is generally the better choice. 1 1 1 silver badge. If 't' is any variable, let's keep t=10 i need a matrix A=[1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11] if t=11, i need A=[1 2 2 how to avoid repeat numbers in a row. Julia's repmat function only seems to support up to 2-dimensional arrays. ; Returns a new matrix with repeated elements. For example P = randperm(N,K) gives K unique, non repeating numbers between 1 and N. I have to solve it a couple thousa Skip MATLAB: Turn every element of complex matrix into another matrix. If n is 0 or negative, the result is an empty array. bhawya b on 28 Nov 2022. between 6 and 7: 0. Is it that you multiply 50 to make this 300 numbers out of 500 and randomly add 0 to 9 to further induce variability? MATLAB repeat numbers based on a vector of lengths. The second argument can also be a vector of the same length as V to specify the number of replications for each element. Commenting here as it's led me to overall the best answer here, it just has a mistake. changing n from within the loop will not change the number of time the loop will run. MATLAB: Select elements in a vector multiple times with different index list. We also store the optional third output, which is a mapping of the values of a to their index in the array of unique values. 4. Learn more about repmat, concatenate, char, repeat, histogram Tested with MATLAB R2017a. Avoid assigning a value to the index variable within the loop statements. Additionally, vectors of the same length as specific dimensions can specify the number of repetitions for individual elements. How to make a for loop. randperm(10,5) gives me: 9 2 1 6 5 randperm(10,10) gives me: 7 9 4 8 2 3 6 5 1 10 Lets say you have a cell array How do I repeat a row a certain number of times?. Controlling Random Number Generation This example shows how to use the rng function, which provides control over random number generation. Either let MATLAB take its course using the default, or set something like: repeat(action,n) repeats the Defined action, specified as an instance of matlab. It transforms the repeated sequences into 0 and thus transform the problem from finding transitions between arbitrary numbers into finding transitions from When we use repmat to repeat an element more than once, the number of times you must specify each piece repeats within parentheses after the repeated element. The code above only sorts the numbers until [1,10,29,5,56,76,8,89], so I want to loop several more to complete the sorting, but I want the I am looking for a general function to tile or repeat matrices along an arbitrary number of dimensions an arbitrary number of times. 1 1 1 silver Repeating numbers in x-axis matlab plot. Shuffle the array [1 2 3 4 5]; Set the values (Pseudo)Random numbers in MATLAB® come from the rand, randi, and randn functions. Matlab, add vector to matrix. For one of the equations I need to use in the programme, it requires a term called 'h', which refers to the Additionally, vectors of the same length as specific dimensions can specify the number of repetitions for individual elements. " Example: >> a=[1,3,2,5] a = 1 3 2 5 >> b=[2,2,1,3] b = 2 2 1 3 >> repelem(a,b) ans = 1 1 3 3 2 5 5 5 MATLAB repeat numbers based on a vector of lengths. x2 = 1×5 0. The numbers themselves are not random. The length of u is length(v)*n. Obviously, you could end up with different numbers of unique elements for each row, so you may have to store the result in a cell array. e. A=[1,2,3,1,2,4,2,1]; %#an example vector unqA=unique(A); This gives the unique elements as unqA=[1,2,3,4]. Learn more about vector, repetition I conducted a small Matlab test to check the speed differential between repmat and tony's trick. ['dogdogdogdogdog']). MATLAB Number looping. Is that possible. 5. dmm dmm. I want to repeat each element n times to make a long length(x)*n vector. I want to get an array with randomized integer included in range with no repeat, I used : randperm(15,3) output is : 8, 10, 12 This function not use a range, I would like to random values only Skip to main content. The [arr] command has three parameters: the name of the array The arrays returned by randi can contain repeated integer values. If I have this vector: x = [1 1 1 1 1 2 2 2 3 4 4 6 6 6 6] I would like to get the position of each unique number according to itself. country_names = unique(C(:,1)) 1 Comment. For a start, lose the variables a_1, a_2, etc. MATLAB: create a large matrix by repeating elements of a vector, with increasing stride for each column. Have a look into the function unique. In either case, n must be integer-valued. 23, 5. 0. However, I want to break the loop once all numbers are sorted from the minimum number to the maximum number. Number of times to repeat each element, specified as a scalar or a vector. Learn more about for loop, matlab MATLAB This is the current function function adjacentRepeat = HasAdjacentRepeat(inArray) for inArray=diff(inArray) adjacentRepeat=1; end It works to satisfy the following requiremen. for example: between 1 and 2: 0 (no repeated) between 2 and 3: 3 repeated with 2. MATLAB: create a large matrix by repeating elements of a vector, with How to generate non repeating random numbers. X = magic (2); Y = repelem(X, So, next time you find yourself needing to repeat elements in MATLAB, remember the repelem() function and its versatility. Follow 1 view (last 30 days) I don't want to use a function from matlab to get the permutation, I need to fix my row or any permutation exchange file like (perm file ). In MATLAB square Hi, i am back with one more question. while expression, statements, end evaluates an expression, and repeats the execution of a group of statements in a loop while the expression is true. between 3 and 4: 0. Otherwise, the generated MEX code and standalone code maintain their own random number state that is initialized to the same i'm am very new to Matlab but really want improve. Where: m: The input matrix or array to be repeated. How to repeat same array in an another array in MATLAB. . 67], which is repeated 20 times? Number of times to repeat the input array in the row and column dimensions, specified as an integer value. You can use unique() C; % your cell array. There are two type - for and while. Follow answered May 6, 2014 at To programmatically exit the loop, use a break statement. Modified 8 years, 11 months ago. For my experiment i want to show a picture which the participant response yes/no to, using two different keys (f&g) and then the next picture is presented and it repeats so onward. By the way, I would need 500 out of 500 numbers to be randomized. Based on your location, we recommend that you select: . 8404 -0. However, by default MATLAB only specifies a short list Generating sets of non repeating random numbers. The results show that YES, Tony's-Trick is FASTER BY AN ORDER of MAGNITUDE, especially for larger N. 8880 0. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). regards, Number of times to repeat each element, specified as a scalar or a vector. To skip the rest of the instructions in the loop and begin the next iteration, use a continue statement. Follow edited Jun 20, 2020 at 9:12. Python and Matlab have these features in NumPy's tile and Matlab's repmat functions. The problem is in the area of pseudo random number generation. For more information, see Default Settings for Random Number Generator and Reproducibility for Random Number Generator. So, with the last line, /// sample_num = (cond_num-1)*50+randi([0 9],size(cond_num)); /// I am not 100% sure what this does. By default, this is set to lines(7), so you'll only have 7 unique colors before it repeats. I don´t know how to work properly with fprintf and have a problem creating a table with specific labels for my rows. [{'dog'}, {'dog'}, {'dog'}]) or concatenate all the strings together (e. Use generated MEX files use the same random number state as MATLAB in serial code. Fourth row of input i. rng gives you an easy way to Select a Web Site. use of ismember or intersect in matlab. array = [3 4 2 1]; matrix = [0 2 4 5; 1 3 2 6; 1 0 3 5; 5 6 3 1]; % first, you need Here I repeat the numbers in a 3 times each: a=[1 3 7 9]; repelem(a,3) ans = 1×12. – I am using chaos function to create a random number matrix(2d)in matlab and used these numbers for index. Repeating value of some matrix. If 't' is any variable, let's keep t=10 i need a matrix A=[1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11] if t=11, i need A=[1 2 2 Additionally, vectors of the same length as specific dimensions can specify the number of repetitions for individual elements. The only more efficient you could get would be for the case where you are certain that long_variable_name does not share contents with any other variable, You can use the randperm function which generates a random permutation without repeat of the numbers. I read How can I remove duplicates in an array but keep the same order?, but this is not exactly what I want. Then, if the front number (10) is bigger than the next number (1), the numbers are swaped. Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 How do I repeat a column n times within an array to expand form 10x1 to 10x10? e. mat-file the values are saved in as a string. However, my main problem is to then increment the years according, as in: Ansmat = [ 2009 3 2010 3 2011 3 2010 2 2011 2 ] ; I want to avoid a for loop here. Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting! repeating numbers in matrix. To get the number of occurances, countElA=histc(A,unqA); %# get the count of elements relFreq=countElA/numel(A); how to count number of repeating's in data Learn more about // This returns only the repeated elements from the Array after the first occurrence. For most purposes, though, it is not necessary to use "shuffle" at all. On similar lines 3 6 needed as both are not repeated, 8 6 not needed as both 8 and 6 are repeated, 13 25 needed as both are Number of times to repeat the input array in the row and column dimensions, specified as an integer value. To make this simple, I assume that you're only going to add more columns, and that you've checked that you have the same number of columns for each row. Please note that at one point there is 3 consecutive numbers. Presenting the picture, using the keys works for far, but i can't get it to repeat the trial. Repmat and Reshape are usually found to be slower than Tony's trick as it directly uses Matlabs inherent The repelem() function works by taking an input array or scalar and repeating its elements according to specified parameters. Invoke. Note that we're using the stable option to obtain the unique values in the order they're first encountered in a; the results of unique are sorted by default. Likewise with b and the same with the result in c, then it is easy: The former approach avoids explicitly creating the vector 20:50 (not a big deal for this example, a big deal if you're trying to select 10 elements from a very large range of values whose length you know. Learn more about row, avoid repetition Given the variables how can i repeat a formula Learn more about formula . The former approach avoids explicitly creating the vector 20:50 (not a big deal for this example, a big deal if you're trying to select 10 elements from a very large range of values whose Adjacent Repeat of Numbers in an Array. You'll just have to define what is intended with the NaN Value elements -- are any Given a single string value in a MATLAB character array: ['12 N'] How can I repeat this value X times in a new character array? For example: X = 5 ['12 N'; '12 N'; '12 N'; '12 N'; '12 list_1=[2;3;5;6] is array 1 or [1,4,5,6] list_2=[1;4;3;1] Number of repetitions for each value in list_1 or [1,4,3,1] I need the following output [2;3;3;3;3;5;5;5;6] or [2,3,3,3,3,5,5,5,6] I have a vector of numbers. Doing so ensures that you don’t repeat results from a previous session. i want a way to create a vector that repeats the same number 360 times lets say my number is 500 and i want the vector to look like this u = repelem(v,n), where v is a scalar or vector, returns a vector of repeated elements of v. Why Do Random Numbers Repeat After Startup? All the random number functions, rand, randn, randi, and randperm, draw values from a shared random number generator. Repeating a step in a loop. By the way, there is no function called randni(). MATLAB: creating looping plot with increasing integers. e repeated. EDIT I've modified the code so that it also works if A and B are 3D arrays. The repelem() function works by taking an input array or scalar and repeating its elements according to specified parameters. i have a matrix [1 2 2 2 3 4 5] and i want to get the result has [1 2 3 4] by replacing the repeated 2 by the single number. Assign Repeating I want to input an array e. 56, 65. If you do not change these I have a list of Values and I have the name of the . If Walkthrough. if you use: hist(a), matlab will divide the whole range of values to 10 periods, and count the repetitions of values lying within these ranges. Assign Repeating Repeat random numbers in your code after running someone else’s random number code. Learn more about number series, repeat, hours of the day, for loop Hi guys, I am doing some work with data taken every 30 minutes over a period of 5 years. *b_i. My current row (1x45 matrix) contains 15 8 times, 4 10 times, 5 8 times, 12 6 times, 4 6 times, 5 3 times and 12 4 times Community Treasure Hunt. They go from 1 up to some numbers, including every integer in between. Example: action = Invoke(@isempty) Example: action = Invoke(@(~)randi(10)) n — Number of times to repeat action integer. See the rng reference page for a MATLAB initializes the random number generator using the default algorithm and seed. How to create an array with repeating values of Learn more about matrix array MATLAB how can I create a matrix based on the vector v = [12. Create an array with same element repeated multiple times. When given a vector or scalar and a repetition factor, it replicates You should use the repmat Matlab funtion: B = repmat(A,M,N) repeat values in a row 'N' number of times and then increment the values - Matlab (varying N) 0. Convert numbers to letters. ; r1, , rN: Block sizes for replication along different dimensions. Share. Therefore, a command such as rand(2,2) returns the same result any time you execute it the command (hist) counts the frequency (number of repetitions) of a certain value in a vector. The output will thus be a 1x7 cell array containing: first the content (i. The actual Matlab code is left as an exercise for the student. I have the following example code so far: Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting! A for loop specifically repeats for a pre-set number of iterations. answered Nov 30, 2018 at 14:20. I'd like to detect patterns of numbers in the different rows. One simple way to avoid repeating the same random numbers in a new MATLAB session is to choose a different seed for the random number generator. For 2D replication: B = repelem(A,N1,N2) No need for kron or other tricks anymore! UPDATE: For a performance comparison with other speedy methods, please see the Q&A Repeat copies of array elements: Run-length decoding in I would like to generate a string in Matlab that looks like "BBBBBBBBBBBBBBBBCCCCCCCCCCCCCC" where "B" is repeated m times and "C" is repeated n times. Would really appreciate some help on this matter. Repeat row vector as Number of times to repeat the input array in the row and column dimensions, specified as an integer value. Generate a random number in a certain range in MATLAB. matlab points it out in two good articles one for repeating numbers and one for different numbers. Using the code mentioned below, I calculated the times for constructing the same tiled vector from a base vector A=[1:N]. The [arr] command has three parameters: the name of the Matlab: repeat string using repmat and concatenating the output with a cell. Repeat rows in a matrix. MATLAB calculation on subset of vector, then shift, and repeat. To iterate over the values of a single column vector, first transpose it to create I need to repeat the Col1 as per Col2. 662. Matlab Matrix Repeat Value. Choosing a seed based on the current time does not improve the statistical properties of the values you'll get from rand, randi, and randn, and Number of times to repeat the input array in the row and column dimensions, specified as an integer value. repeat(action,n) repeats the Defined action, specified as an instance of matlab. Close. The colors used by line plots are drawn from the 'colororder' property of the parent axes. If n is a scalar, then each element of v is repeated n times. between 4 and 5: 2 repeated with 4. You can set the default algorithm and seed in MATLAB preferences (since R2023b). Learn more about iteration, vectors, matrix, repmat, rows, columns, repeat, matrices, vector, vectorization One way to solve this problem is to think both vectors as being created as follows: For every row of arrays v1 and v2. find returns empty matrix. Is there any easy existential proof of transcendental numbers without choice? Also, I studied the links that you provided and I had mentioned in my question regarding the doubts on using rand() or randn() for random number generation. Assign Repeating Outputs to Mock. It's just the first row repeating itself x times. Is there any function in MATLAB to do this task? Change them to base 4, which only has the digits 0, 1, 2, and 3. 12341212356 and find all repeated sequences(and times)in that array like: 12 : repeat 3 times 123 : repest 2 times How could I use Matlab to do this work efficien Tested with MATLAB R2017a. MATLAB: repeat row vector in multiple dimensions. Repeating numbers in x-axis matlab plot. Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 If there's a way to do this that's not repeating the covariance matrix 10,000 times, that'd be helpful too. Every time you initialize Or put another way, "Each element of N specifies the number of times to repeat the corresponding element of V. Ask Question Asked 12 years, 11 months ago. Number of times to repeat the input array in the row and column dimensions, specified as an integer value. so when you count the occurrences of each I want to make a vector with 40 repeats of [0 0 0 1] in a column so it would look like this: 0 0 0 1 0 0 0 1 (0 0 0 1)x40 You can use unique in combination with histc to get the relative frequency. How to concatenate strings in a loop? 1. Related. Otherwise, the expression is false. Create vector which ascends based on repeated values of another vector (MATLAB) Hot Network Questions Why did Saturn V have fins? Sounds like you need a loop. between 5 and 6: 0. Therefore, a command such as rand(2,2) returns the same result any time you execute it You can first sort your elements and afterwards remove all elements which have the same value as one of its neighbors as follows: A_sorted = sort(A); % sort elements A_diff = diff(A_sorted)~=0; % check if element is the different from the next one A_unique = [A_diff true] & [true A_diff]; % check if element is different from previous and next one A = "shuffle" is a very easy way to reseed the random number generator. One way of operating on each of the rows of a matrix would be to call unique inside a loop for each row. How to get all possible Hi, i am back with one more question. This behavior is sometimes referred to as sampling with replacement. Every time you start MATLAB ®, the generator resets itself to the same state using the default algorithm and seed. (Pseudo)Random numbers in MATLAB® come from the rand, randi, and randn functions. Open in MATLAB Online. Community Bot. str = 'BC' %This is character vector, NOT a string n = 4; m = 3; res = Say that I have a matrix with N rows (N is known) containing the same numbers but in different order in each row. Thread-Based Environment Run code in the background using MATLAB® backgroundPool or accelerate code with Parallel Computing Toolbox™ ThreadPool. Each row will have just a different order of the same numbers. All of your solutions seem to either put the string into cells (e. X = magic (2); Y = repelem(X, 1, [3 2]) So, next time you find yourself needing to repeat elements in MATLAB, remember the repelem() function and its versatility. Create vector which ascends based on repeated values Learn more about fprintf, cells, strings, numbers, table, label . output. 3035 Notice Generate 10 random numbers in the interval [1, 31] (31 being the number of elements in the vector 20:50) and either add 19 or use them as indices into 20:50. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Why Do Random Numbers Repeat After Startup? All the random number functions, rand, randn, randi, and randperm, draw values from a shared random number generator. If you do not change these Repeat random numbers in your code after running someone else's random number code this is te point of repating the seed, and generate the same random numbers. How can I Control Random Number Generation. actions. The for statement overrides any changes made to index within the loop. a=[25,45; 25,30; 30,45; 25,45] I suggest not plotting 24*5=120 numbers, as that'd pretty much mess up your plot. Creating an array with characters and incrementing numbers. For example, for n=3, the answer would be: Repeat copies of array elements: Run-length decoding in MATLAB. 3. 1. (1,5) % repeat the same numbers. The solution at Repeat copies of array elements: Run-length decoding in MATLAB is helpful. Learn more about random number generator MATLAB. Non-repeated arrays in a matrix in matlab. Ammar Taha on 21 Nov 2020. When given a vector or scalar and a repetition factor, it replicates each element the specified How can I repeat this array for example 5 times using the updated values of 'States', whilst displaying the results of each loop? works if you replace the NaN in the Counts arrays with 0; you can't use a NaN in repmat. but it only works once , if i input for example 3 it will display the correct massege , but when i enter any number again nothing happens i have to rerun the code. ) I'm a beginner working on a matlab project recently, in a part of my work,I have to do the calcultions for different values of k(as described in the code summary), the question is how can I do the Skip to main content How can I repeat a step in a loop in MatLab? For example, if a value given for n (loop index) doesn't fit my expectation, I would like to repeat the step again with n, but having changed something. Repeat random numbers in your code after running someone else’s random number code. in your case [val,pos]=intersect(a,b) % gives common val and its position in 'a' 1 Comment. y = [1 2 3 4 5 1 2 3 1 1 2 1 2 Note that the number of elements in the ones vector controls how many times each row is duplicated. If n is a scalar, then all elements of v are repeated n times. Learn more about consecutive numbers, array, constant I have an array given as x = [1 1 1 2 2 1 1 1] I'd like to know a way I could go through each individual element in the array, and getting a value for how many steps the number stays at the s the command (hist) counts the frequency (number of repetitions) of a certain value in a vector. Repeat row vector as matrix with different offsets in each diff is going to be the starting point of any answer related to finding repeated sequences. Web browsers do not support MATLAB commands. Hello everybody, I am a newbie to matlab. Examples. Open Live Script. Viewed 2k times 'THURSDAY',} In addition, I have two 500x1 arrays of integers, the first contains numbers referring to the starting row, the second contains numbers referring to the end row. You can set the colororder to any valid colormap: set(gca, 'colororder',parula(32)) how to avoid repeat numbers in a row . repeating a vector many times without repmat MATLAB. Hope this helps. Assuming a string A = 'abc'; How to repeat it for several times, say 3 times, with a delimiter ',', so that to obtain: 'abc, abc, abc' Is there a neat solution to do so? Learn more about detection of repeating sequences of number Hi, I have an array as follows. Example: 5. however, if you use: hist(a,b), then the repetitions are counted against the reference (b). MATLAB: Using a for loop within another function. Learn more about iteration, vectors, matrix, repmat, rows, columns, repeat, matrices, vector, vectorization (See the MATLAB help pages for details on accessing data in cell arrays). e if I How do I repeat a character n times?. Minimizing the number of non-zero flows Labelling marker line with distances in QGIS What species are represented Number of times to repeat the input array in the row and column dimensions, specified as an integer value. Number of times to repeat the action, specified as an integer. Choose a web site to get translated content where available and see local events and offers. how to repeat element matrix in matlab. Thanks for your help! Say I have a column vector x=[a;b;c]. Follow answered Sep 3, 2013 at 22:32. Learn more about random number generator Hi, I have a matrix of size 270x360 ,what i need to do is generate any random location in that matrix such that all the locations of that matrix are generated at least for once. How to repeat without using "for" or "while" or "repeat" functions? 0. Then it becomes a simple combination of repeating elements and reshaping. For example: Select a Web Site. I will be grateful for any help! Repeat vector n times. Only the location of the numbers is random. I am looking to solve a formula like c_i = a_i. xawzw ouc fkfdkw wenqummp dncy vqlwufgy ngx tcuall zsguks tms