Answered
readcell command doesn't work anymore!
This only reads one cell: "Range",'B3:B3' There is nothing in your code that reads "all non empty cells in col B starting from...

6 years ago | 0

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Answered
Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct matrices, use brackets instead of parentheses.
function Weight= SGD_method(...) alpha=0.9; N=4; end % <--------- DELETE THIS LINE! for k=1:N ...

6 years ago | 0

Answered
Dynamic regular expression replacement: token number
It can be done with one dynamic replacement expression: >> str = '(1st MT)_fjezhfjksdhf_(2nd MT)'; >> rgx = 'MT'; >> out = re...

6 years ago | 0

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how to do the matrix computation
>> M = c(1,2:end).' + c(2:end,1).' - c(2:end,2:end); % requires MATLAB >= R2016b >> M = triu(M,1) + triu(M,1).' M = 0 1...

6 years ago | 1

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Answered
Define a series of matrices
Using numbered variables is not going to be neat or efficient. The MATLAB approach would be to use one array, e.g.: sigma = -5:...

6 years ago | 0

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Answered
How to interpolate column and row?
Use interp2, e.g.: >> Y = [1.0101,1.25,2,5,10,25,50,100]; >> G = [3,2.8,2.6,2.4,2.2,2,1.8,1.6,1.4,1.2,1,0.8,0.6,0.4,0.2,0,-0.2...

6 years ago | 1

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Answered
'run' command with input argument - MATLAB 2018a
run does not work with functions, it only works with scripts: https://www.mathworks.com/help/matlab/matlab_prog/scripts-and-fun...

6 years ago | 0

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Answered
I have 16 GB of RAM, why can't I load a 3.5 GB file?
This line has very inefficient use of memory, and is likely the cause of the error: video=uint16(zeros(zeilen,spalten,frames));...

6 years ago | 2

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Answered
Moving large matrix from function workspace to base workspace?
The correct function to use is assignin, not evalin: assignin('base','data',data) Probably even better would be to just use th...

6 years ago | 3

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Answered
Constructing a circular type of matrix
For MATLAB versions >=R2016b: >> M = max((1:4).',1:5) M = 1 2 3 4 5 2 2 3 4 5 3 3 3 4 5 ...

6 years ago | 0

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Answered
find missing element between two matrix
>> A = [1,2;3,6;3,5;1,4;4,6;2,7;1,6;6,5;2,3;6,7;3,4]; >> B = [1,2;1,6;2,3;3,4;4,6]; >> R = setdiff(A,B,'rows') R = 1 4 ...

6 years ago | 0

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Answered
New line after fprintf
Add a newline at the end of the fprintf format string: fprintf('....\n',D) % ^^ newline!

6 years ago | 1

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Answered
fprintf cell array of two classes
No need for complex strings, ugly loops, or slow arrayfun, you just need one simple fprintf call:: >> A = ['USA' ; 'CAN' ; 'FRA...

6 years ago | 2

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store workspace file in variables using a for loop
Your approach is entirely the wrong way around. Putting meta-data (e.g. pseudo-indices, subject IDs, parameter values, etc.) int...

6 years ago | 0

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Answered
How to get common sub string in cell array string?
1- Download and unzip John D'Errico's FEX submission https://www.mathworks.com/matlabcentral/fileexchange/27460-string-subseque...

6 years ago | 1

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Answered
# 1:end
"explain please" Explanation "why this fill whole matrix" g(r(1:end),c(1:end))=1 The MATLAB documentation explains "There is...

6 years ago | 0

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I have a 2 by 26 matrix, how do i randomly select one of the rows and extract them?
idr = randi(26,1,1); row = shiptext(idr,:)

6 years ago | 0

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Answered
Periodically save matrixes (or workspace) within PARFOR loop
https://www.mathworks.com/matlabcentral/answers/135285-how-do-i-use-save-with-a-parfor-loop-using-parallel-computing-toolbox No...

6 years ago | 1

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Why doesn't cd command work on parametric directory names ?
"How can I resolve it ?" Use function syntax (not command syntax): cd(sub) https://www.mathworks.com/help/matlab/matlab_prog/...

6 years ago | 1

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Answered
Stop the Inf numbers
You used the wrong operator: mrdivide / solves a system of linear equations. You need to learn the differrences between matrix ...

6 years ago | 1

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Problem with regexp Japanese
The \u syntax is not valid in MATLAB: \u3000 % !!! NOT CORRECT !!! To create a character from hexadecimal use \x: \x3000 Sou...

6 years ago | 1

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Answered
How to find the position of the first non-zero element of my matrix?
find(yourVector,1,'first')

6 years ago | 5

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Answered
Sorting alphanumeric data and then grouping by number - is this possible?
>> C = {'MyCulture/Cell316';'MyCulture/Cell0';'MyCulture/Cell339';'MyCulture/Cell0';'MyCulture/Nucleus50';'MyCulture/Nucleus0';'...

6 years ago | 0

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Answered
Difficulties with interpreting and use of @ sign
There is nothing stopping you from having an unused input argument: f = @(t,y)((y-1)*(y-2)) % ^ perfectly okay to define t...

6 years ago | 2

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Answered
How to process files of a particular order in MATLAB?
"Possibly what is the error, it says that File doesn't exist." Most likely the files do not exist in the location where you are...

6 years ago | 0

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Answered
How to restrict input string in length,symbols, char and numbers
>> str = 'XYZ-99-123'; % okay >> ~isempty(regexp(str,'^[A-Z]{3}-\d{2}-\d{3}$','once')) ans = 1 >> str = 'XYZ-99-ABC'; % not o...

6 years ago | 0

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Answered
Convert a cell array into matrix, but with removing the words / commas
In both cases it looks like you are processing data imported from a file, in which case it would be much more efficient to fix t...

6 years ago | 0

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Answered
How to put for loop outputs into array?
With MATLAB it is always much simpler and more versatile to loop over indices, rather than looping over data. When you do that, ...

6 years ago | 0

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for end loop variable not saving
Your code calculates numFrames using two different methods. method gives 500 (apparently correct), method gives 1 (apparently ...

6 years ago | 0

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How do I loop trough variables
"Why is that?" Your confusion stems from several things. [] square brackets are a concatenation operator, not a "list" operato...

6 years ago | 0