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1.907 total contributions since 2014

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

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How to get handle to legend in a specific axes?
Legends are parented by the figure, not the axes, so you get a list of figure children like this: >> get( gcf, 'Children' ) an...

ongeveer 3 uur ago | 0

Combine two or more gaussian components into one Gaussian Mixture (gmdistribution)
Doesn't GC = gmdistribution( [muX; muY], cat( 3, SX, SY ), [1; 1] ); work?

7 dagen ago | 0

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divide 3d matrix (840,64,1536) by 1d matrix (1536,1)
A ./ reshape( B, [1 1 1536] );

10 dagen ago | 1

How do I extract the rows that have value 0 in one array from another new array?
newArray( ~thisArray, : ) where thisArray is the one you show here.

13 dagen ago | 1

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What type of data (200 x 200 x 200)
It's an array. A 3d array to be precise, but just an array. A vector (as defined by isvector(...) )is an nx1 or 1xn array A m...

13 dagen ago | 1

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" bsxfun(@rdivide..." Explain Use in Code
rgbh_e = bsxfun(@rdivide, rgbh_e, rgbh_e(4,:)); divides rgbh_e by by the 4th row of rgbh_e, on a per row basis - i.e. each elem...

13 dagen ago | 0

In which Matlab version was rng() introduced?
https://uk.mathworks.com/help/matlab/release-notes.html?rntext=rng&startrelease=R2006a&endrelease=R2019b&groupby=release&sortby=...

17 dagen ago | 0

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what is wrong with my script?
2:4 means [2, 3, 4] A( [2 4], [2 4] ) would give what you want.

17 dagen ago | 1

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Arguments block syntax not being recognised
This was only introduced in 2019b (you can see at the bottom of the help page for 'arguments'). It is one of the disadvantages ...

17 dagen ago | 0

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Matrix creation combining vectors
M = [ repmat( V1(:), [numel(V2), 1] ), repelem( V2(:), numel( V1 ) ) ];

18 dagen ago | 0

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Help with restricting input
validateattributes( number, { 'numeric' }, { 'scalar', '>=', 1, '<=', 100, 'integer' } ) You would have to put a message togeth...

19 dagen ago | 0

MATLAB Answers Wish-list #5 (and bug reports)
I realised I posted this in the ancient wishlist thread before. Can we not have some white space back between answers? Since t...

19 dagen ago | 1

How to ignore letters in a numeric cell?
cellfun( @(x) str2double( erase( x, 'mm' ) ), pin_radius ) should convert them to an array of doubles. If you are using pre R2...

20 dagen ago | 1

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why do I get Array indices must be positive integers or logical values?
It means pretty much exactly what it says. In Matlab x1, as you create it, is an array of values representing your function at ...

21 dagen ago | 0

expand length of matrix to fixed value
t = interp1( 1:108, t, linspace(1, 108, 200 ) ); would be one way to do it.

24 dagen ago | 1

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Create a plot with a drop down menu in an App
app is your main application object. You can add properties to this yourself, which you can then access in any of its functions...

25 dagen ago | 0

Area plot does not recognize colormap
What was your 'older Matlab version'? If you keep the handle from an area plot you get an object (or objects, if you feed it a ...

25 dagen ago | 0

Well, after the last update of Matlab Answers my biggest wish is now to put the white space back between the answers! I don't k...

26 dagen ago | 0

How to manipulate array?
Just use it! Where you are going to use my_columns, just use number_columns, e.g. newMatrix = zeros( number_rows, number_colum...

26 dagen ago | 0

How can I use my CNN after training (Image Recognition)
When you saved the file the network was called 'thisNetwork'. That is what this instruction saves: save('TheTrainedCNN','thisN...

26 dagen ago | 0

How to know where the >> are in the command window?
Just use fprintf('AAAAAAAAAAAAAAA\n') instead and it will put the new line at the end so that the >> will be on the next line ...

ongeveer 2 maanden ago | 0

simple way of matrix array resorting
Q = [A', B', C'];

2 maanden ago | 0

Avoiding many if-Statetments in a for-loop
Something like this would seem to do the job, off the top of my head, though I may be over-simplifying it... case1 = V2 && V3; ...

2 maanden ago | 0

What does z(1) and z(2) mean in that context?
z(1) and z(2) mean the same as they would in any code - there is an expectation that z is an array with (at least) 2 values, oth...

2 maanden ago | 2

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Index must be a positive integer less than or equal to the number of test sets.
selectBatch(k) is a cell array, which clearly is not an integer. selectBatch{k} may be what you want instead. That said, you...

2 maanden ago | 0

check a condition once and remember it later in the code
Potentially you can change your if statement to the following, but it depends on what nu is as this does not seem to be defined ...

2 maanden ago | 1

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Variable inside timer callback is lost after first iteration in GUI - undefined function or variable
This seems like the opposite problem to what I originally thought it was as I got distracted by the handles and assumed they wer...

2 maanden ago | 1

Increase levels on colorbar
If you create the colourbar and keep its handle, e.g hColourbar = colorbar( hAxes ); then you can edit the properties of the c...

3 maanden ago | 0

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Question

Working with 1d vector sequences
This is a problem I seem to come up against quite often in Matlab and have never really found a good solution to. Maybe there i...

3 maanden ago | 2 answers | 0