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extracting data from multiple txt files
One obvious issue with your code is that it makes no sense to have the |k| loop inside the |i| loop. I suspect the |k| loop is m...

casi 8 años hace | 0

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Extracting numbers from mixed string
A possible |regexp| version would be: str2double(regexp(filename, '(\d+)_(\d+)', 'tokens', 'once')) _edit: following the...

casi 8 años hace | 1

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How can i change ascii text from arduino serial port to number in matlab?
If you just want to convert the individual character digits into numbers from 0 to 9, then simply subtract the ASCII code for 0 ...

casi 8 años hace | 1

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Hi. I have an a problem updating my excel file without overwriting the previous datas on the excel sheet. Am using a button to submit the input datas from matlab gui to the excel sheet.
Seems to me that the problem is simple: if you keep overwriting the same row that's because your |row| variable does not increas...

casi 8 años hace | 1

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Use imwrite to save tif images
_"I got an error message"_ is a useless statement if you don't give us said error message. Thankfully, you've finally given it i...

casi 8 años hace | 2

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AxtiveX Equivalent for xlsread
Matlab keeps the excel process alive precisely to speed up future calls to any |xls***| function, as starting up the process is ...

casi 8 años hace | 0

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Q is a 3D array of size 3x3xn. I want to use the next value of Q i.e. Q(:,:,2) and so on, every time j is even. Is there a way to do it in MATLAB.
If I understood correctly, for j = 1:numel(p) stress(:, :, j) = Q(:, :, 1+floor(j/2)) * strain(:, :, j); end

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fprintf is printing strange characters instead of numbers
The problem is due to Notepad broken encoding detection algorithm. For some reason it assumes that the file is encoded in UTF16,...

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Declare function for specific matlab versions
You have several options Option 1 is to use <https://www.mathworks.com/help/matlab/ref/verlessthan.html |verLessThan|>. Have ...

casi 8 años hace | 0

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How I get Matlab code for Paper
<http://matlab.wikia.com/wiki/FAQ#Can_you_program_up_the_algorithm_in_this_article_for_me_and_explain_it_to_me.3F See the FAQ>

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Function definitions are not permitted in this context?
Pre-R2016b you would get this error if you had local functions in a script m file. Post-R2016b, I'm not sure what can trigger it...

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Conversion of 100 jpg images to PGM
Even simpler, particularly if you don't have the knowledge to write the code is to download any decent image viewer program that...

casi 8 años hace | 0

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Sir I found error when I am using these codes. Codes are shown in the figure......
All these squigly lines and orange marks in your screenshot is matlab telling you that there may be problems with your code. You...

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How to replace k-th diagonal by vector?
You can't use |diag| to assign to diagonales of a matrix, only to get them. The simplest way to assign to the diagonales is to r...

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Error using cellfun Input #2 expected to be a cell array, was double instead.
I think the explanation that I was asking for is that you have a matrix |data| whose first column is years and second column day...

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Activity list is not updating
Yes, the activity feed stopped updating a while back. Walter R. reported it to Mathworks about 8 hours ago, so they'll be aware ...

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C Dll does not find all header paths
You cannot use |calllib| in matlab unless you have first loaded the library with |loadlibrary|. If there is a bunch of includ...

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plz explain the code
|img_clahe(:,:,color_idx)| corresponds to each colour channel of the image.

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How to get rid of empty space and unit in my output
The following will parse your example file correctly for me: A = readtable('example.txt', ... 'Format', '%...

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Using ColorMap to Change Yellow Object in Image to Green
I don't know what your assignment is exactly trying to get you to do. They seem to be strangely formulated. I think that by n...

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log of a vector
A real number is a complex number with an imaginary part equal to 0. If you look at the result of your log you'll see that the c...

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How to change individual components of a matrix using conditional statements.
The proper way to do what you describe in matlab would be: M(M > 0) = 60; %has to be done first so as not to replace 40 by ...

casi 8 años hace | 0

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Find Area of the object in mm^2 from binary image
Unless you know the scale of your image (pixels/mm) it is *impossible* to convert pixel measurements such as area or perimeter t...

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How to categorise .dat file into different headers?
I don't really know what is asked, _categorize_ doesn't mean much. If it's help to read the file into a table, then as said <htt...

casi 8 años hace | 1

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How to solve issue of "Error using horzcat"?
|i| and |j| are scalar, |dist| is a column vector with 2 elements. As the error message tells you, the dimensions are not consis...

casi 8 años hace | 1

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Import various txt files into matlab
One thing that certainly does not look right is the format specifier of |sprintf| if there are indeed 328 files. That specifier ...

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M.file functioms with Command window
_How can I solve it...?_ Provide a |x| and |y| input that are the same size

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How to export cell of doubles to excel?
There doesn't seem to be much logic as to the order of the dimensions in your matrices. In the future, if you want 15x19 matrice...

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Who maintains the timezone offset table for changes in DST rules?
Unfortunately, I don't think it's documented, and while you can look at most of the internals of |datetime| the particular bits ...

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