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1.843 total contributions since 2014

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

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Determination of data points in each cluster of K-means algorithm
accumarray( idx, 1 );

12 giorni ago | 0

undefined function 'isnan' for input arguments of type 'table'
Assuming data is a table, try using curley braces { } instead of parentheses ( ), i.e. y=data{:,20}; X=data{:,[17:19,21:29]}; ...

13 giorni ago | 0

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Transfer variables within function with different properties.
Either return it as an output argument from the previous function and pass it in as an input argument or store it as a class pro...

13 giorni ago | 1

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Using the function fmincon
The first argument needs to be a function handle, not a call to the function, although your function is FUNCTION so I'm not sure...

14 giorni ago | 0

Define function for rounding to precision
Usual scenario would be to multiply by 10^decimalPlaces, ceil and then divide by 10^decimalPlaces I would imagine. e.g. ceil( ...

circa un mese ago | 1

How to plot the curve?
R = B ./ ( 1 + k'/2 ); figure; plot( R ) or R = bsxfun( @rdivide, B, ( 1 + k'/2 ) ); for earlier versions of Matlab that don...

circa un mese ago | 0

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max value in a repetitive vector
maxes = [vec( diff( vec ) < 0 ), vec(end)]; works if it is as structured as your example always, where vec is your vector. If ...

circa un mese ago | 1

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Click on your symbol in the top-right of this page, next to the telephone icon and click on 'My Account'. In your licencse list...

circa un mese ago | 0

Average of matrix element
cumsum( [a; b; c; d] ) ./ ( 1:4 )';

circa un mese ago | 0

Group maths on for loop
omegas=0:1:10; RR=40:70; d=90; numOmegas = numel( omegas ); numRR = numel( RR ); gg = zeros( numOmegas, numRR ); for i=1...

circa un mese ago | 0

How to work the Mean function
doc mean shows you the syntax of the mean function. It expects an array, not multiple arguments. Generally you take the mean ...

circa un mese ago | 0

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returning an object handle from a function
Try passing in gobjects(0) instead. Yours works fine for me in Matlab, but maybe from simulink it is different and the type o...

circa un mese ago | 0

R2014b uipanel not showing on figure.
You need to define Units ahead of Position else the Position will be interpreted in default units (which are 'normalized') befor...

circa 2 mesi ago | 0

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Delete empty field - rows in a structure
Added as an answer since it seemed to solve the problem. Track_20( all( cell2mat( arrayfun( @(x) structfun( @isempty, x ), Trac...

circa 2 mesi ago | 2

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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...

2 mesi ago | 1

For Loop Problem error

2 mesi 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

3 mesi 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....

3 mesi ago | 0

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

3 mesi 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...

3 mesi 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...

3 mesi 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...

3 mesi 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...

3 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)...

4 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 ...

4 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...

4 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,...

4 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...

4 mesi ago | 0

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

4 mesi ago | 0

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