Community Profile

photo

Stephen


Active since 2014

Suspensa Vix Via Fit

Statistics

All
  • Grand Master
  • Personal Best Downloads Level 4
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • GitHub Submissions Level 3
  • First Submission
  • 36 Month Streak
  • Thankful Level 4
  • Revival Level 2
  • Knowledgeable Level 4
  • First Answer

View badges

Content Feed

View by

Answered
How to use interp1 command?
Numbering your variables like that is a red-herring that makes this task more complex. MATLAB is designed to work efficiently w...

environ une heure ago | 0

Answered
I am attempting to change the value 'K' to a value of 10 so I can add it to other numbers.
Putting meta-data (e.g. the suits, card types) into variable names makes this task much harder. Meta-data is data and should be...

environ 2 heures ago | 0

Answered
Dimensions of arrays being concatenated are not consistent.
The problem is the line-break without any ellipses. But your code can be simplified anyway, removing that problem: x = [ConcVal...

environ 2 heures ago | 0

Answered
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) %...

environ 17 heures ago | 0

Answered
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 ...

1 jour ago | 0

| accepted

Answered
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...

1 jour ago | 0

Answered
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...

3 jours ago | 0

Answered
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: ...

3 jours ago | 0

Answered
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...

3 jours ago | 1

| accepted

Answered
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); % ...

5 jours ago | 1

| accepted

Answered
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...

5 jours ago | 0

| accepted

Answered
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,...

5 jours ago | 0

Answered
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...

5 jours ago | 0

| accepted

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

5 jours ago | 1

Answered
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')

5 jours ago | 0

Answered
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...

5 jours ago | 0

Answered
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(:))

6 jours ago | 1

| accepted

Answered
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...

6 jours ago | 0

| accepted

Answered
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...

6 jours ago | 0

Answered
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))...

6 jours ago | 0

| accepted

Answered
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...

6 jours ago | 2

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

6 jours ago | 0

Answered
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];...

6 jours ago | 1

| accepted

Answered
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 ...

7 jours ago | 1

| accepted

Answered
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))

8 jours ago | 0

Answered
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)

8 jours ago | 0

Answered
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...

9 jours ago | 0

Answered
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...

10 jours ago | 1

| accepted

Answered
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 ...

11 jours ago | 0

Answered
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...

14 jours ago | 1

| accepted

Load more