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1.829 total contributions since 2014

Professional Interests: Signal Processing, OOP, Matlab GUI programming, Machine Learning

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Scale X and Y separately in a matrix
B = imresize(A,[numrows numcols]) is the second syntax given in the documentation. If you pass in a numrows the same as the cu...

3 giorni ago | 1

For Loop Problem error

5 giorni ago | 0

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master study: requirements for laptop and windows version
A 5 second google search brought me to this: https://uk.mathworks.com/support/requirements/matlab-system-requirements.html

17 giorni ago | 0

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Colorbar colors wont scale to changed scale limits
You should be using doc caxis to change colourmap limits, not directly going into the colourbar object and changing its ylims....

21 giorni ago | 0

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Create an Array/a List of Position
Position_List = reshape( position', 1, [] );

22 giorni ago | 0

How to remove hundreds of columns from a matrix?
First thing that comes to mind, which may or may not be the only problem: Never delete parts of an array from the front in a lo...

29 giorni ago | 1

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Find all combinaisons of sum of two vector that corresponds to the value of a third vector
Well, what you wrote: 1./(1./A + 1./B) will give you answers you can compare to C as e.g. abs( 1./(1./A + 1./B) - C ) to giv...

circa un mese ago | 0

imagesc: how to set NaN as white color
doc colormap allows you to define whatever colourmap you want. You can tag a white point on the front of e.g. a Parula colourma...

circa un mese ago | 1

Question

I have run into a situation using multiple 3rd party functions from the file exchange. Both of these rely on java classes and b...

circa 2 mesi ago | 0 answers | 0

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Removing outliers from data
threshold = 3 * std( data ); validRange = mean( data ) + [-1 1] * threshold; dataWithoutOutliers = data( data >= validRange(1)...

circa 2 mesi ago | 1

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finding x axis in findpeaks
doc findpeaks clearly shows there are numerous ways to call the function, including: [pks,locs] = findpeaks(data) where locs ...

circa 2 mesi ago | 0

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multiply table and matrix
Why all the complications with cell arrays and tables? Just use numeric arrays: A = [0.2 0.5 0.3; 0.1 0.1 0.3]; B = [2;3]; C...

circa 2 mesi ago | 1

Randomly change certain characters of a character matrix
If you mean basic letters, then e.g. idx = randi( numel( yourCharArray ), 1000, 1 ); replacementChars = char( randi( 26, 1000,...

circa 2 mesi ago | 0

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How can I use Function handle with arrays?
Not really sure how the code you posted, with syms and matlabFunction is connected to what you are asking, but this function sho...

2 mesi ago | 0

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Select all eelements equal to a number
b = x( 1:find( x == 4, 1, 'last' );

2 mesi ago | 0

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Turning separate columns of data into a single column or vector.
times = []; for ... ... times = [ times; A.data(:,1) ]; ... end You will get warnings about variable growing in...

2 mesi ago | 0

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Apply an element-wise calculation of an equation to a matrix
log( X ./ Y ) ./ Z 100 ./ log( X ./ Y ) - 50

2 mesi ago | 0

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Find function for cell array
wantedArray = [1,122,185]; cellfun( @(x) isequal(x,wantedArray), myCell ); You would be better off using a numeric array thoug...

2 mesi ago | 1

What are the thought processes that go on when you are trying to solve a MATLAB problem?
I make very heavy use of the debugger, in combination with the command line to try out syntax and options. I also often like to...

3 mesi ago | 1

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Accesing structure using a function
total = campus.( building ).( year ).( var ); should work fine, assuming campus is your struct and that is a branch of the stru...

3 mesi ago | 0

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how to get the RGB number from colorbar
colourmap = colormap( hAxes ); where hAxes is the axes handle. gca if you really must! You can then interpolate it to make it...

3 mesi ago | 0

How can I change variables within a GUI to make plot using the data from user input?
Simplest option is simply to create variables g = []; valzero = []; (or initialise them to a default value) at the top of y...

3 mesi ago | 0

Accept a specific type of file Matlab
doc uigetfile gives examples of specifying filters for file type. You can use a generic uigetfile and a check like that after ...

3 mesi ago | 0

Find the index of given value in an array
val = 2.5; idxAboveVal = find( array >= val, 1 ); idxFract = idxAboveVal - ( array( idxAboveVal ) - val ) / ( array( idxAboveV...

3 mesi ago | 1

Call to Subplot is Adding Axis to Current Figure
Yes, that does seem a slightly odd thing to have in the startup file and is indeed the cause of this behaviour (I just tested wi...

3 mesi ago | 0

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plz i need help to make this , thank u
[~, idx] = min( MA ); resA = A(:,idx);

3 mesi ago | 0

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Random order, but equally appearance
doc randperm

3 mesi ago | 1

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How to recognize if there is in a character a point '.'?
What is wrong with simply xx == '.' if xx is a char array rather than a string as it seems to be?

3 mesi ago | 0

What does 'Colormap' do to the image with double/float pixels？
Data is linearly binned into however many bins/elements your colourmap has and that colour applied. e.g. if your data is 0-1 an...

3 mesi ago | 0

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