Answered
How can I quickly find the eigenvalues and eigenvectors of a matrix with a special structure using high-precision calculations?
@Torsten has hinted, based on your earlier posts, that the eigenvalues of M may occur in distinct and purely imaginary conjugate...

1 month ago | 0

Question

Indexing behavior of table properties
Suppose we have a table such as, T=table(rand(3,1,'single'), randi(5,3,1)) What is it that allows the VariableTypes to be in...

1 month ago | 1 answer | 1

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Answered
How to preserve the 3d plot box, when changing patch visibility.
Using axis() twice, we can both capture and reassert the axis limits, axis(axis) This also then converts all X,Y,ZLimModes to ...

1 month ago | 0

Answered
How can I force a .txt export
Instead of, if length(file) < 4 || ~strcmpi(file(max(1,end-3):end), '.txt') file = [file '.txt']; end use ...

1 month ago | 0

Answered
Extracting from cell arrays using a nested loop
Do not use a nested loop: clear Data for k=250:-1:1 Data(:,k,:) = Matrix(zapTime(k)-12000:zapTime(k)+75000, 2:end) ); end...

1 month ago | 0

Answered
How to draw the axis in the origin of the coordinate system?
Use export_fig instead, https://www.mathworks.com/matlabcentral/fileexchange/23629-export_fig

2 months ago | 1

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Restore data format from SCB to SSCB after patch embedding
One way is to use a functionLayer.

2 months ago | 0

Answered
Error forming mini-batch for network input
This is not enough to reproduce the error. You haven't provided input images. My guess, however, is that there are some files in...

2 months ago | 2

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Having 'imdilate' function only proceed when there are not a bunch of zero values
Don't use a loop. Use imreconstruct instead

2 months ago | 0

Answered
How do I find if a point is within the volume of a rotated ellipsoid
Download AxelRot from here, https://www.mathworks.com/matlabcentral/fileexchange/30864-3d-rotation-about-shifted-axis?s_tid=src...

2 months ago | 0

Question

Resetting a memoized function
I know that clearCache will clear the cache of a MemoizedFunction, but how would you reset its other properties to their default...

2 months ago | 2 answers | 0

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Answered
Deconvolution using FFT - a classical problem
Since you are trying to deconvolve in the presence of noise, it would make sense to use a regularized deconvolver like deconvreg...

2 months ago | 0

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Answered
Morphological Image Processing: Object Identification and Separation
This might be along the lines of what you're looking for. It's semi-empirical though in the way it discards particles. Maximum d...

2 months ago | 1

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Answered
Deconvolution using FFT - a classical problem
dt=0.001; N=20/dt; t= ( (0:N-1)-ceil((N-1)/2) )*dt; %t-axis u=(t>=0); g=3*exp(-t).*u; y=conv(g,u,'same')*dt; Y = fft...

2 months ago | 0

Answered
How do I start using MATLAB Copilot?
The Matlab AI Co-pilot is an add-on product. It will not be part of your Matlab installation unless you've bought a license for ...

2 months ago | 0

Question

Parsing mfunctions with mtree
Given an Nx1 colum vector of strings containing lines of mfunction code, it is possible to use the undocumented function mtree()...

2 months ago | 1 answer | 1

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Answered
Where is the Save icon (not Save As) in a figure (.fig) R2025b Matlab
There is no separate Save icon applicable to figures. I think only the Editor has ever had that.

2 months ago | 0

Answered
Determine which delaunayTriangulation Constraints correspond to input constraints?
If you convert the final triangulation to a graph, then it seems to me that shortestpath should give you the intermediate nodes ...

2 months ago | 0

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Adding a dropdown box for the variable unit BESIDE the variable
Sure. For example,

2 months ago | 0

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Question

Appdesigner labels linked to components
It appears to me that text labels in AppDesigner canvases have two types: labels that are standalone, independent of any compo...

2 months ago | 1 answer | 0

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Answered
Pass commands to executable run through system command
Perhaps as follows? In1 = '1'; In2 = 'C:/Dir1/File1.dat'; In3 = '02/09/2026 16:00'; In4 = '0.5'; cmd = sprintf('C:/Dir2/m...

2 months ago | 0

Answered
When I use nlinfit, the sintax nlinfit(t0,p0 ,@(b,t) ...),but if Ireplace nlinfit with fmincon, the sintax is not valid, why?
Because it is a different function. The syntax of fmincon is documented here, https://www.mathworks.com/help/optim/ug/fmincon.h...

2 months ago | 0

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Answered
does installing toolbox that has different version than your matlab program cause a problem
Yes. I don't think it's even possible to install a toolbox version that doesn't match your core Matlab version.

2 months ago | 0

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Why is the menu bar background white?
You could also upgrade to R2025. There, the menu bar is grey (or at least not as white) and you can also render figures in da...

2 months ago | 0

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Why is the menu bar background white?
especially when you develop a code with a GUI For GUIs, you can use uimenu, which still produces a grey menu bar.

3 months ago | 0

Answered
Calculate mean and standard deviation from 30-years of global wind data
This might be what you are looking for, subs=[lat(:),lon(:),year(:)]; val=wind(:); siz=[180,360,30]; meanWind = acummarray...

3 months ago | 0

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Answered
Install and work with ResNet-50 Network pretrained
Install by opening deepNetworkDesigner and selecting ResNet-50 You can then use imagePretrainedNetw...

3 months ago | 0

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Answered
Trying to normalize a matrix across all element values.
Normalize across only non-zero elements, or across elements only in the upper triangle? If the latter, then, A=[ 0 54 0 ...

3 months ago | 0

Answered
Issue with Blockproc when using PadPartialBlocks
Integer types cannot hold NaN values, so you will have to convert your int8 input to floating point: load('ImgForBlockProcQ...

3 months ago | 1

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Answered
Why does specifying the size of a class property slow down writes?
The property validation specifications have to be processed every time you make an assignment to the buffer property. This takes...

3 months ago | 0

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