Answered
how to export multiple .mat files to csv using the automation script?
Load to a struct: base=sprintf('mat_file%d',1); S=load([base '.mat']); data=[S.([base '_Inputs']) S.([base '_Outputs'])]; ...

4 years ago | 0

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Answered
Split comma seperated values inside a cell in to multiple columns
S=load(websave('split_mat.mat','https://www.mathworks.com/matlabcentral/answers/uploaded_files/709142/split_mat.mat')); split_m...

4 years ago | 0

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Answered
Can u use filtfilt with structfun?
You need to use either a function handle, or create an anonymous function. Your syntax does neither. Try this modification. % H...

4 years ago | 1

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Answered
Handles not getting updated from pushbutton using GUIDE
Your looping function doesn't store the modified handle struct. guidata(hObject, handles); %put this before your return st...

4 years ago | 1

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Answered
Extracting x,y data from a folder of figures
You can set the visibilty to off when loading the figure: fig = openfig(figfile,'invisible'); That should take care of the f...

4 years ago | 0

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Answered
Incrementing file names to run loop commands
Use sprintf to create your variable names, use arrays to store your data. Don't use numbered variables.

4 years ago | 0

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Answered
Error while averaging multiple images
The size function returns a vector of at least two elements numberOfImages = size(files); %replace this by: numberOfImages = ...

4 years ago | 1

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Answered
I want my graph to be continuous
You can also let Matlab do the heavy lifting by creating an anonymous function and using fplot: a=8.4; v=58.8; fun=@(t) 0 + ....

4 years ago | 1

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Answered
How to use property from one class in to define a property in another class?
I don't know what the 'correct' answer would be, but you can also set the value in the constructor: classdef Agent propert...

4 years ago | 1

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Answered
For this loop I want the output to print str='b' anytime A='1'
This behaviour is exactly as documented. if A=='1' does not create a loop. clc clear str=[]; for q=20:21 A=dec2base(q,1...

4 years ago | 0

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how to store values into array/matrix with different number of rows and only one column
It is best to pre-allocate your output array as close to the size you think you need, because extending a matrix hurts performan...

4 years ago | 0

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Answered
cross product is wrong
1/70368744177664 eps This number is so small that you can assume this is a rounding error. The root cause of this rounding er...

4 years ago | 2

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Remove Curly brackets from string/array - what am I working with?
Your data seems to be a cell containing JSON data: data={'[[0, 145, 0], [145, 169, 1], [169, 1693, 3], [1693, 1708, 1], [1708, ...

4 years ago | 0

Answered
Opening nc file and reading sections of data
Your second code paragraph assumes filename is a function, while the first sets it as a variable.

4 years ago | 1

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Answered
How I can create this matrix?
A simple loop with indexing will do the trick. But in this case you can also use the normal matrix multiplication A=[1 3 0;2 3 ...

4 years ago | 0

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Answered
Error: Brace indexing is not supported for variables of this type.
Why are you reading your file like that? And why are you using assignin? There is no reason to be using that here. Since you'r...

4 years ago | 0

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Answered
How to delete the dropdown items permanently using button in app designer
When you delete an element you need to save the mat file again. You should also consider loading to a struct instead of poofi...

4 years ago | 0

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Answered
Error finding Linear Regression with polyfit and \
Removing the NaNs will do the trick. Although I'm not sure this data should have a linear fit. fn=websave('data.mat','https://w...

4 years ago | 0

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textscan - multiple format lines
It looks like the same format to me. Why not read as text, split on the = and use str2double on the last column? To read your f...

4 years ago | 0

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Answered
Create arrays of observations
You should not name your variables dynamically. Why are you not storing them in an array when reading? What is wrong with the co...

4 years ago | 0

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How to count the black pixels in a segmented section of image?
activecontour returns a logical array. That means you can count the black pixels by inverting and using sum (or nnz).

4 years ago | 0

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How to correctly plot a 6x2 grids of subplots
You can also make a montage yourself. The function below is from my unpublished toolbox replacement suite. You still need an i...

4 years ago | 1

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Answered
Could anyone help me how to generate the matrix in the following manner as described below
data=cell(5,1); for n=1:numel(data) data{n}=randi([1 n],n*100,1); end data=cell2mat(data); size(data)

4 years ago | 0

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Which MATLAB version for standardized GUI tool ?
Which release is the best choice will depend on specifics. As an extreme example: sometimes the performance of Matlab 6.5 (R13) ...

4 years ago | 0

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Matlab integral funtion error
The error tells you that you need to make sure f outputs the same size as the input. f=@(x)(x.*exp((x.^2)-1))./sin(x); % ...

4 years ago | 1

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Answered
how to create an array of ones with some zeros delimited by an ellipse?
I'm going to ignore the part where you want to plot a cartesian object with polar coordinates. You can either use ndgrid or mes...

4 years ago | 0

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How to display rise time in edit box MATLAB Gui?
The function you're using doesn't return a single numeric value, but a struct, as the documentation clearly explains. You need t...

5 years ago | 0

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Answered
defining properties in a class
This doc page seems to suggest this is not natively possible. However, you could implement it as method: %(untested code) clas...

5 years ago | 0

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combination from multiple arrays while omitting same item
We have a small problem when we want to generate all combinations: C = nchoosek(v,k) is only practical for situations where len...

5 years ago | 0

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cswwrite not in one column
This issue is an Excel issue, not a Matlab one. You need to use the 'convert data to columns' option in Excel. You might try t...

5 years ago | 0