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Why did I get the same value from radio button in a buttongroup?
You are always asking for the Selected object's 'Value'. This will always return 1 because it is the selected object. You sh...

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GUIDE - How to use variables that are calculated in Button 1, in Button 2?
<https://uk.mathworks.com/help/matlab/creating_guis/share-data-among-callbacks.html> This gives various different methods and...

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Find indices of points in meshgrid-like data
[~, index] = ismember( A, [X(:) Y(:)], 'rows' ); Not sure if that is any faster than a loop though. ismember is not a very...

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How to reshape a cell array ?
cellfun( @(x) x + zeros( 95, 1 ), ESS_estimated_schedule, 'UniformOutput', false ); It seems like rather large replication ...

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How to Change the Fill Color of the Box in a Box Plot?
Unfortunately boxplot seems to be one of those unpleasant plotting functions that returns nothing and gives you no easy way to c...

más de 7 años hace | 1

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how do i change units of xaxis and yaxis without changing the plot??
If you are using a sufficiently new Matlab then you can use hAxes.XAxis.Exponent = 0; for an axes handle, hAxes, to get ...

más de 7 años hace | 0

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How to catch warnings?
<https://undocumentedmatlab.com/blog/trapping-warnings-efficiently> may help with this. Credit to Guillaume from <https://uk...

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Determining whether an angle is between two other angles
RayCat = sign( az_ray - mod( gamma1, 360 ) ) == sign( mod( gamma2, 360 ) - az_ray ); looks like it would do the job.

más de 7 años hace | 1

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how to insert the workspace near the editor?
On the Home ribbon there is a 'Layout' dropdown list about 2/3 of the way along. Tick 'Workspace' on its list and then you can ...

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Scrollable checkboxes inside uipanel GUIDE
You can't do it with a simple Matlab component, but you can use 3rd party scrollable panels or write your own if you really want...

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How to divide every column of an array with another column of the same length?
res = Y ./ S;

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How do I color points from scatter3 (3D scalar field), in accordance with their scalar values?
I don't have time to give full code, but the first option gives you what you need - i.e a single scatter3 instruction, not a mas...

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How to show all decimals in axis?
ax.YAxis.Exponent = 0; should do this if you have a sufficiently recent version of Matlab.

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How to make a box for comments in Matlab GUI?
uicontrol ( ... 'Units', 'pixels',... 'Position', [0 0 200 200],... 'Style','edit',... 'FontName', 'arial'...

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Cannot Break A Function Loop With GUI Button
The attached files give an example of a start-stop GUI which works relatively simply. Don't use global variables to pass data a...

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How to vary the color according to the data ?
<https://uk.mathworks.com/matlabcentral/answers/5042-how-do-i-vary-color-along-a-2d-line This answer> may help.

más de 7 años hace | 0

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Why do nested means give different answers depending on which dimension is averaged first
It is just rounding errors. When I tried your code the offsets were of the order of 1e-16, which is close enough to 0 as to mak...

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tmp_1(tmp_2 > 0) What does this command mean in Matlab?
tmp_2 > 0 is a logical result of the same size as tmp_2 which is true where tmp_2 is greater than 0 and false otherwise. ...

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Most efficient way to generate an array around a central value
[ flip( center:-stepsize:lower ), ( center + stepsize ):stepsize:upper ]; looks like it would work, though I haven't tested...

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Matrix dimensions must be agree
size( repmat(x, [m 1]) ) size( repmat(mu, [1 n]) ) on the command line will quickly show you the problem. The first is ...

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Unable to perform assignment because the size of the left side is 1-by-1 and the size of the right side is 1-by-2.
Your timestep function returns this: Population_variables=[C,V]; Yet you call it twice as: V = timestep(C,V,delta_t...

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phase value are in range of 0 to pi. how can i convert them to range of 0-256
Surely just the obvious: result = input * 256 / pi; works? Where obviously input is your data from 0-pi and result is w...

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plot the relationship between function and specific variable
a=0.2; b=0.3; thada= 0.1:1:20 tf = zeros( size( theta ) ); for n = 1:numel( thada ) t=[1+(((thada( n...

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Convert structure to vector
vertcat( M.vector )

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Getting "Subscript indices must either be real positive integers or logicals" error from simple calculation
You can just do an online search for floating point arithmetic or similar phrases and you will get links like, e.g <https://e...

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How i create a matrix from a nested loop?
A = zeros( 25, 2 ); for i=1:5 for j=1:5 idx = 5 * ( i - 1 ) + j; A(idx,:) =[i, j]; end ...

más de 7 años hace | 0

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why can't i plot 2d graph with this equation ? Can anyone help me with this ? thank you.
y is a scalar, x is a vector. y needs to be the same size as x to see a meaningful plot. Alternatively you need to give a mark...

más de 7 años hace | 0

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Save a matrix in MATLAB
save( filename, 'matrixName' ) e.g. myMatrix = rand( 100, 100 ); filename = 'C:\Stuff\Somefile.mat'; save( f...

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What those permute numbers mean?
They are the order of permutation of the dimensions, as described in doc permute So after the permutation what was the 3...

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Removing Elements from an Array based on their Position for every 3 Elements
If you are using R2015a or later then this will work: elements_n = repelem( elements_n, 3 ); Arr( Arr == elements_n ) = ...

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