Answered
Can I change iteration value in following for loop?
Maybe you mean: nf1 = 3; nf2 = 4; panel_no = 1:12; R_vx = rand(144,1); velx = repmat([panel_no.', reshape(R_vx, 12, 12)], ...

3 years ago | 1

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Answered
How to edit each matrices in a cell?
L1 = 0:5:50; L2 = 5:5:55; % By the way, these are 11 values, not 10 NTG_MeanEmpty = randi([0, 55], 50, 27); n = 11; Analysi...

3 years ago | 1

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Answered
MATLAB : Add path of parent directory containing a class, called from a child directory
What's wrong with using the absolute path? myPath = mfilename('fullpath'); myParentPath = fileparts(myPath); oldPath = addpat...

3 years ago | 0

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I try to write audiofiles from data which is stored in a struct
folder = 'C:\Users\blabla\Single_Tones\' for i = 1:length(struc) file = fullfile(folder, sprintf('JD(%d).wav', i)); a...

3 years ago | 1

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Answered
Invalid expression, can anybody help me
What is the purpose of: x=('heart rate'); Afterwards x is the CHAR vector 'heart rate' and you compare it to numerical values....

3 years ago | 0

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i have this error in my code how i can fixed it
The error message is exhaustive already: "Function definition not supported in this context. Create functions in code file." Yo...

3 years ago | 0

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How to record and save myself audio and load it as myvioce.mat file with sample frequncy 5000
Fs = 5000; nBits = 16; nChannels = 1; recorder = audiorecorder(Fs, nBits, nChannels); beep recordblocking(recorder, 2); % ...

3 years ago | 0

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how to change specific row for all file inside a folder?
Two steps: Implement the code to process 1 file. The easies way is to import the file using readlines, remove the last line and...

3 years ago | 0

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Answered
Export plot as 600dpi png and with variables in the file name
print(gcf, sprintf('p%d.png', iter), '-dpng', '-r600'); % [EDITED], %s -> %d

3 years ago | 0

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Answered
Fast alternative to assign 0 to NaNs
Avoid calculate A_nan==0 repeatedly inside the loop. Do this once before the loop: C = cell(10, 119); for iC = 1:numel(C) ...

3 years ago | 1

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How to test that a script is running correctly ?
The is no way to prove the correct working of scripts. The danger of interferences between scripts, e.g. by clear all commands, ...

3 years ago | 0

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Answered
How to give different font size to label values and label names?
Simply specify the font directly: plot(rand(5)) set(gca,'FontName', 'TimesNewRoman', 'FontSize',16,'FontWeight', 'Bold'); xla...

3 years ago | 0

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Answered
Problem with defining a path to a MATLAB function
Maybe you mean: folder = '~/Desktop/Data/pat01_t1/'; Brain = load_untouch_nii(fullfile(folder, 'Brain.nii')); The first input...

3 years ago | 1

Answered
Conversion of C code to Matlab code
pr = 0.734; n = 1.413e-5; ts = 12 l = 10; w = 5; k =0.02428; for v = 2:2:50 re = (v * 0.277778 * l) / n; nu ...

3 years ago | 1

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Answered
Is it possible to use a script as a callback or ButtonDownFcn in uicontrol?
'ButtonDownFcn', @(h,e) run('displayText')

3 years ago | 0

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Applying large logical masks to large arrays quickly, row wise
A C-mex version: // File: maskTCopy.c // Compile: mex -O -R2018a maskTCopy.c #include "mex.h" void mexFunction(int nlhs, m...

3 years ago | 0

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Applying large logical masks to large arrays quickly, row wise
Here is a set of different approaches. Run the code to see timings locally on your computer. n = 500000; m = 10; data = ran...

3 years ago | 2

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Answered
How to compare and merge matrices with same numbers?
A =[ 1 2 3 4; ... 9 6 7 8; ... 10 5 4 7]; B = [ 8 2 3 4; ... 11 6 7 8; ... 5 5 6 7]; m = ismember(...

3 years ago | 0

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How to write a while loop that returns the number of the value you put in?
x = [4575, 893, 78, 12345]; y = floor(log10(x) + 1) Do you really need a loop? x = 10000; n = 0; while x >= 1 n = n + ...

3 years ago | 1

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3 sine waves in 1 graph, same frequency different amplitude
I've replaced your huge 38 MB BMP image by a 48 kB JPEG to improve the speed of loading the thread. Which problem do you have t...

3 years ago | 1

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Answered
I want the GUI to input a result from another m file in a static text box after clicking a push button.
function msg = YourFcn(your inputs) power_difference = mean(adj_crank_power)-mean(trainer_power); if power_difference < -1 ...

3 years ago | 1

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assigning file from the struct
S = 'X'; A.(S) B.(S) C.(S) D.(S) This is called "dynamic field names".

3 years ago | 0

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Answered
Matlab not recognizing edits to custom function
Is the a P-coded version of the function? What does which(funcname, -all) show? Maybe there is another version of the function ...

3 years ago | 0

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how to approximate set of point to a given function
Search in the net for "Matlab fit ellipse": https://www.mathworks.com/matlabcentral/fileexchange/3215-fit_ellipse https://www...

3 years ago | 0

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How to store data in a pre allocated array
Of course you overwrite the values, see: Array_Result(i,j)=2; Array_Result(i,j)=2; You canno...

3 years ago | 0

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Answered
is this code correct?
The equation of an underdamped mass-spring-dashpot system is: This does neither match y = exp((-c/(2*m))*t).*(A*sin(sqrt((k/...

3 years ago | 0

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Below is the question and together with it is my code... but there is always error at the fscanf function.. Can anyone help me pls??
The problem is hidden here: file_id=fopen('file','r') text=fscanf('file','%s',a) % ^^^^^^ ^ ??? fscanf expect...

3 years ago | 0

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How to request user input to press Esc or Enter ?
This will not work. The input command is not sufficient to catch a pressed Esc key. Using the input capabilities of the command...

3 years ago | 1

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Answered
here, i couldn't get the A,B,C values while using if, elseif conditions. how to get values while using conditional statement?
This cannot work: if i==2:m 2:m is a vector. You can compare i with the vector, but the == operator works elementwise. The...

3 years ago | 0

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Answered
Error with fopen: I saw a lot of answers saying it has to do with folder permissions, but I should have write permissions because it is a folder I created.
fopen fails to open a file for writing, if: you do not have write-permissing in this folder. You "should" have such permissions...

3 years ago | 0