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Specific values in an Array
R=[]; for i=1:1:5 for y=5:1:10 eq1=i*y; %% To save the values: R=[R; i y eq1]; end end a...

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Auto fetch input files to process from a specified folder
"I have a lot of data files that I would like to process through my code [...] each file from a specified folder one at a time" ...

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Plotting a limited number of elements
"plot the first 5" An if-statement should do that. Replace plot(jvals(i,:), vetor_momentoj(i,:), '-o'), hold all by if i <= ...

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How to modify a function handle?
That's simpler than you thought %% f1 = @(y) y; f2 = @(y) f1(y)*2; %% f2(5)

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Storing variables in a for loop within another
"store the variable "vetor_momentoj" [...] in terms of the indexes i and j." Something like this? I replaced the calculation of...

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Calculate with initial value
There is nothing that terminates the execution of the loop when convergence is reached. Thus, the while-loop will run until the ...

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How to save data from a file with text and numbers?
"load this file and save lines starting from 'Step' to 'ID Type' to another file" Including the "ID Type" block - or not ? Thi...

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what's wrong with this "IF" in the code below?
Cannot tell based on the info of your question. Show full error message. Set Pause on Errors Run the code. Execution will h...

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how to delete data with special value in an array?
"to delete the value" Do you mean remove? If so, try this script which uses logical indexing %% vec = 1+2*randn( 1, 800 ); %...

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conversion of date from yyyymmddHHMMSS format to yymmddHHMMSS format.
vec = datevec( '2020,07,23,00,00,00', 'yyyy,mm,dd,HH,MM,SS' ); datestr( vec, 'yymmddHHMMSS' ) or did you mean datestr( vec, '...

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I am getting "Too few input arguments." error. How can i solve it?
See Not enough input arguments. And see narginchk - Validate number of input arguments.

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Trying to see if a variable is an integer or not
Try this %% x=2.5; answer = ( x == floor(x) )

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Not enough input arguments.
You need to call the function, Lorenz, with two input arguments: t and x. E.g. %% x = (1:6); t = nan; xprime = Lorenz( t, x...

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Help indexing: How to index at the interfaces of cells and not the cells
Index in position 2 exceeds array bounds U(:,j+2) is most likely the problem. I assume that the size of U is NEQxN. The max...

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Problems in reading large matrix with large empty cells
This script reads your sample file %% opts = fixedWidthImportOptions('NumVariables',36,'DataLines',4,... 'VariableNames',{'IN...

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out of memory error for large data
See How to export complex-valued matrix to HDF file

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Error: Not enough input arguments
Accourding to the definition function [ U_RK ] = RK4( U_T, Res, dx, dt, k, N ) requires six input values. Your call of the fun...

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Best Matlab Editor replacement?
I have not always been loyal to the Matlab editor (ME) Long time ago I used the full version of the ED editor that comes (or di...

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Getting error while deleting every row of the matrix M that contains the variable x
The trick is to iterate in reverse order, i.e a:-1:1 instead of 1:a. Try this %% M = magic(5); x = 13; N = Delete_var(x,M) ...

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How to remove both leading and trailing zeros from a binary string?
Is this what you look for? %% A=["00000001111";"00000110010";"10111011100";"00001000110";"11111010000";"00000001010"]; %% B ...

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[DISCONTINUED] MATLAB Answers Wish-list #5 (and bug reports)
I wish Answers would automatically reject comments like "I did that but it didnt work"

presque 5 ans il y a | 4

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I want to read a bunch of files inside a loop function in MATLAB, but when I try the following code:
What do you suppose that the following statement will do? j = (i * 2000000); Replace A = dlmread('gr_at_0.l_%d', j); by A =...

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unable to make directory in specified folder
"it won't recognize this slef-made folder" Did you add it to Matlab's search path? On my system, R2018b,Win10, your script wo...

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How to import a function from another package
Your folder, Model, is not a Matlab package. Package folders always begin with the + character. See Packages Create Namespaces....

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Split a string into 4 character groups?
"Split a string into 4 character groups?", "split this output string into groups of characters" and "I want to group at this sta...

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Please, help with Matlab code
Your function works just fine longestword("Heat","Lakers","Warriors") longestword("cent","centennial","century") longestword(...

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How to read in large text file with special delimiters?
"Is there any way to specify your own row and column delimiters to be able to read in this data?" No, I don't think so. How la...

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Nested elseif statement syntax
There is no else block in the outer if-elseif-else-end. This code will display something only for inputs(1)==0 and for inputs(1)...

presque 5 ans il y a | 0

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how to simulate different investments
Based on your question, I've made a small object oriented demo. You don't prescribe how many shares an investor will trade in...

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can anyone help me prepare the code
Problems with your script The long lines make the code hard to read. Numerous statement separators are missing I added line ...

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