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Replacing "dir" when deploying a GUI
Try this: if isdeployed a = dir(fullfile(ctfroot, '**', '*.xlsx')); %remove '**' if you know a precise folder location...

más de 7 años hace | 0

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Is it possible to use a function with 2 outputs and sometimes with 4 outputs?
See this example function as a starting point for how to make functions with variable input/output, and to do a input/output che...

más de 7 años hace | 1

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Problem loading files to standalone installer when deploying a GUI as application
mcc -m myGUI.m -a ./MyExcelDir %This compiles your GUI AND add all files + subfolders specified after "-a" If using a...

más de 7 años hace | 0

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Why i am getting this error message
The error you're getting is probably caused by an invalid/empty string in handles.edit4. And DON'T use |eval|, esepecially in a ...

más de 7 años hace | 2

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How to use variables from my GUI in my function?
Seems like you're using GUIDE? You have to uncomment the |uiwait(handles.figure1)| in the |OpeningFcn|. Otherwise your GUI wi...

más de 7 años hace | 0

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How can I use an if statement to compare an input in a function script?
Your |cell_num_mem_1| was never defined before the |if| statement. What is the value of this variable, or is it a function that ...

más de 7 años hace | 0

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Is there a way for a GUI to be created based on input on another GUI?
You'll have to hard code a variable GUI then. <https://www.mathworks.com/help/matlab/ref/uicontrol.html> (moved from the comm...

más de 7 años hace | 0

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Why doesn't legend location have "center"
Good point. Maybe because almost everyone do not use legends in the middle of a graph. The graph should highlight your data, not...

más de 7 años hace | 0

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Error in logistic regression code
Your code does grow X by 1 column of 1's. See below data=xlsread('MyData'); X = data(:, [1:18]); y = data(:, 19) ...

más de 7 años hace | 0

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Looking for advice on data analysis
Depends on the quality of the data. This doesn't seem like Matlab issue though, other than the fact you might be needing Statist...

más de 7 años hace | 0

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MATLAB: How do I generate all square matrices (nxn) which meet these requirements?
N = 10; Mat = tril(ones(N), -1); Idx = find(Mat); %This gives you the index of a lower triangle. choose k = 1:sum(Mat) o...

más de 7 años hace | 0

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Matlab writes junk #N/D in Excel file
Either specify the exact excel range to write to, or don't specify it at all. Xsig = rand(10, 2); xlswrite('test.xlsx', ...

más de 7 años hace | 2

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I've got an error in my Matlab looks like a bug
<https://www.mathworks.com/help/matlab/matlab_prog/floating-point-numbers.html> Look at *"Avoiding Common Problems with Floatin...

más de 7 años hace | 1

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How can I convert the following to a vector
G = {20 15 4.5}; G = [G{:}];

más de 7 años hace | 1

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How to request user input to save figure? uiputfile command does not create the file after clicking 'Save'
The |uiputfile| only creates the filename and filepath based on where the user wants to save the file. You need to actually writ...

más de 7 años hace | 0

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Adding functions in a for loop
Error is caused by adding a function handle to a value returned by a function handle. They're different things. Y = y(x) + ...

más de 7 años hace | 0

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Help with conidtional loops?
Keep track of how many games and how many trials were done, and the status of the game as WonGame = 0 or WonGame = 1. %% Gu...

más de 7 años hace | 0

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Is there a one-line way of vectorizing a matrix across rows?
A = reshape(A', 1, numel(A));

más de 7 años hace | 0

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Display as red specific cells of binary image
ImBW = rand(100)>0.5; %binary image ImROI = zeros(100, 'logical'); %area you want to show as red ImROI(25:50, 25:50) =...

más de 7 años hace | 0

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Remove cell array rows based on logical condition?
[Num, ~, Raw] = xlsread('yourdata.xlsx'); I = Num(:,20) == 1 | Num(:,20) == 7; %Your logical index of weekends W...

más de 7 años hace | 1

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How can I reduce the memory footprint of Matlab
I'd still try increasing the swap space because IF the program rarely goes over 64GB, then you get the benefits of 16 cores *"mo...

más de 7 años hace | 0

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Problem in Using Parallel Feature for a "For Loop"!
X has to be sliced correctly. <https://www.mathworks.com/help/distcomp/sliced-variable.html> But I didn't realize Newton Raph...

más de 7 años hace | 0

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Create single structure array with variables in for loop.
%Creating some example files storing example x's for k = 1:10 x = rand(3); save(sprintf('myfilename%d.mat', k...

más de 7 años hace | 0

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Find index in 3D matrix for maximum value
Here's one example to find maximum value in a 3D matrix called A A = randi(100, 3, 3, 50) [x, y, z] = ind2sub(size(A), f...

más de 7 años hace | 0

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Function handle in a if statement
You cannot use an inequality for a function handle, as it makes no sense. Condition = @(a,T) T_g + delta_Tg; if isoTemp >...

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"valid indices for 'a' are restricted in PARFOR loops" for unindexed struct?
parfor k = 1:2 a(k).b = k; end The reason |a.b = k| does NOT work is because when the parfor finishes, and there a...

más de 7 años hace | 2

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Error using fprintf Invalid file identifier. Use fopen to generate a valid file identifier.
It seems that |gn| includes a folder path + file name. If the folder path does not exist, then |fopen| will fail. To fix, make t...

más de 7 años hace | 0

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VideoReader in App Designer
I'm guessing you're familiar with callbacks in app designer? If not, here's the tutorial. >> appdesigner.internal.applicati...

más de 7 años hace | 0

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Concatenate layered matrix into one layer
a = randi(10, 2, 133, 5); b = reshape(a, size(a, 1), size(a, 2) * size(a, 3));

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Why this Error: Object returned error code: 0x800A01A8 is appear?
My guess is this is caused by the loss of write access to your file. To prevent both Excel and Matlab from trying to edit the sa...

más de 7 años hace | 0

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