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How to subtract coloumn vectors of a cell array
inp = load('mycell.mat').mycell; % input data fun = @(m) 1+diff(m,1,2); % anonymous function out = cellfun(fun,inp, 'uni',0) %...

27日 前 | 0

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How to publish html in matlabcentral?
This can be done when you upload a submission to File Exchange (aka. FEX). You will need to: publish your M-file to HTML using ...

27日 前 | 0

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How to accumulate values ​​from time 1 to the last time
P = 'absolute or relative path to where the files are saved'; S = dir(fullfile(P, '*.txt')); % Select the file extension to su...

27日 前 | 0

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Split a cell array of character vectors at multiple-number delimiter
Rather than telling us what you currently get, it is probably more useful if you tell us what you want. I made some guesses abo...

29日 前 | 1

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Reading mixed format data containing both text and numbers from a '.txt' file in matlab
fpt = '.'; % absolute or relative path to where the file is saved. fnm = fullfile(fpt,'text.txt'); % Count the header lines: ...

29日 前 | 1

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Determining Order of flattening an array using colons
"If we use A(:,:) we expect an array with dimensions (X*Y, Z), with the i,j element pointing at (i mod X, i div Y, j) element o...

30日 前 | 1

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Saving file at different directory
You need to use FULLFILE to include the path in the filename, e.g.: [F,P] = uiputfile('FileNAME.txt'); fnm = fullfile(P,F); % ...

約1ヶ月 前 | 1

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MATLAB plot is blank?
You are using matrix division where you should be using array division: https://www.mathworks.com/help/matlab/matlab_prog/array...

約1ヶ月 前 | 0

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Get row number with certain data in it
"I tried the "find"-function but it didnt bring me to a useful result." It works for me: % Fake data: M = randi(9,7,2); M(5,...

約1ヶ月 前 | 0

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Add '_max' to odd variable names and '_min' to even ones.
T = array2table(rand(5,8),'VariableNames',{'Var1','t','Var3','ang_azi','Var5','vel_azi','Var7','acc_azi'}) T.Properties.Variabl...

約1ヶ月 前 | 0

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How to I add zeroes onto a matrix?
Where V is your vector: V(end+1:52500) = 0

約1ヶ月 前 | 1

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I just need to get the numbers from this vector. The result must be a double. I need fast and clean code, as this operation is performed over and over again in my code.
Fastest: C = {'G07','G23','G04','G08','G20','G13','G30'}; V = sscanf(sprintf('%s',C{:}),'G%f')

約1ヶ月 前 | 0

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How do you capitalize the first and the third letter of each word in a sentence?
T = 'my pet is hungry'; U = regexprep(T,'(?<=\<(\w{2})?)(\w)','${upper($1)}') Of course because this is clearly homework you w...

約1ヶ月 前 | 0

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I need a function to identify if a number is part of a vector or matrix.
Where M is your matrix and N is your scalar number: any(N==M(:))

約1ヶ月 前 | 1

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change the first digits when ends with 5959
Rather than messing around with strings you should probably just work with duration objects or numeric arrays. S = ["000000";"0...

約1ヶ月 前 | 0

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How to merge two tables, keeping independent variable (x) the same but summing the dependent variable (y)
Simpler: T1 = readtable('Confoss_landings.xls', 'VariableNamingRule','preserve') T2 = readtable('Mainefoss_landings.xls', 'Var...

約1ヶ月 前 | 0

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Interpolate/Resample to a specific decimal point
Assuming no adjacent duplicate values: S = 1; V = [1,3,4,7,6,3,6]; X = cumsum([1,abs(diff(V))]); Z = interp1(X,V,1:S:X(end))...

約1ヶ月 前 | 0

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How to combine 2 tables with different variables into 1 table?
The actual MATLAB solution just takes one simple line of code: SysTime = [1;2;3;4;5]; EDF = [10;20;30;40;50]; T1 = table(SysT...

約1ヶ月 前 | 2

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How to properly format a data table with fprintf?
A = [1,2,3,4,5]; fprintf('Numbers%s\n',sprintf(' %1.2f',A))

約1ヶ月 前 | 0

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Why the results of the matrix X' dont show?
Use https://www.mathworks.com/help/matlab/ref/mldivide.html A = [0,2,-1,0;0,0,1,-1;1,-1,0,0;-1,0,0,1]; B = [100;-500;300;100];...

約1ヶ月 前 | 1

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Create Multiple Arrays While Looping Through One Single Array
By far the simplest and most efficient solution is to use one matrix: V = 1:81 M = reshape(V,9,9).' You can trivially access ...

約1ヶ月 前 | 1

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how to add elements to an array in a for loop
The MATLAB approach is to use logical indexing, not a loop: V = [2,4,5,6,3]; N = sum(V(V>=5))

約1ヶ月 前 | 0

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I am unable to display my answers on command window
https://www.mathworks.com/help/matlab/ref/display.html a = [3 6 1 9; 6 5 3 7; 7 3 2 6]; display(a)

約1ヶ月 前 | 0

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Convert MAT file to v7.3
You can load and save the individual (or any selected) variables using the structure approach too. Lets try it: A = 1:3; B = 4...

約1ヶ月 前 | 0

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linspace not working on MATLAB Coder
In MATLAB it is usually better to loop over indices. Perhaps this would work: V = linspace(-r_max*Tc_usbl,r_max*Tc_usbl,decisio...

約1ヶ月 前 | 1

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Normalize unit vector to single didgit integers
fun = @(V) round(V./10.^floor(log10(abs(V)))); fun([0.4,-0.4,0.8]) fun([0.123,0.123,0.5]) Note that this scales each element ...

約1ヶ月 前 | 0

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How can I run this script and only create folders with files in it without having an additional file outside the folder?
Get rid of the FOPEN and FCLOSE, they are completely unrelated to WRITEMATRIX: start = tic; % input n and m n = input('\n How...

約1ヶ月 前 | 1

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Why does .m4a audio file (imported via audioread) get stored in workspace with two data series/data columns instead of just one?
Clearly your audio file has two channels. The MATLAB documentation states that the first output is "... returned as an m-by-n ma...

約1ヶ月 前 | 1

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random selection from 5 different vectors
C = {[1;2;3;2],[4;5],[7;8;9],[0;1;2],linspace(0,1,101)}; V = {1,1,1,1,2}; F = @(v,n)v(randi(numel(v),1,n)); Z = cell2mat(cell...

約1ヶ月 前 | 0

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Plotting numeric data vs time (from text file)
"I am trying to import some numeric data from a text file and then plot it in MATLAB." T = readmatrix('time.txt'); M = readmat...

約1ヶ月 前 | 1

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