Answered
loading and training an existing network.
previous = load("savednet","net","layers"); net = trainNetwork(data,clabels,previous.net,options);

1 year ago | 0

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Answered
Interpolate and plot a surface in a rotated coordinated system
I'm not familiar with the FEX submission you used, but I can show how I would do it with this one, https://www.mathworks.com/ma...

1 year ago | 0

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Find the indices of numbers that occur first
You won't be able to do better than a for-loop over the V(i).

1 year ago | 0

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scale/normalize parameter vector for optimization
The transformation is non-differentiable, and probably is not a good idea for Optimization Toolbox optimizers which are smooth ...

1 year ago | 0

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I have shifted from lsqnoneg to lsqlin because lsqnonneg does not support additional constraint is it right or wrong choice?
If your lsqlin can solve your problem, then there is usually never any reason to use lsqnonneg. lsqnonneg is for nonlinear least...

1 year ago | 0

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Why is my hamming window and rectangular window values the same for sigma_omega when I make L = 21?
% Set window length L = 21 L = 21; % Generate rectangular and Hamming windows rect_window = window(@rectwin, L); hamming_w...

1 year ago | 0

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Answered
How to identify Gaussian type maxima in an image
using imregionalmax i can generate a list of candidate. I wanna check each one now. I may like to filter the one which are non s...

1 year ago | 0

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transform linear inequality constraints into bound constraints for optimization solvers
Yes, a set A*y>=0 is a cone and so can equivalently be expressed as where are the so-called extreme rays of the cone and are ...

1 year ago | 0

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Cannot define a cell array of custom classes in function argument validation
classdef Session < handle %SESSION Summary of this class goes here % Detailed explanation goes here properties (Acc...

1 year ago | 1

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How to convert two nested for-loops to one parfor loop.
It does not seem advisable to use parfor. Everything in your code is vectorizable. However, here is what a parfor approach could...

1 year ago | 0

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Answered
Why can't we define properties on enumerations extending from built-in classes?
I don't know why. I suspect it is for the same reason why builtin indexing and concatenation no longer works when you add proper...

1 year ago | 0

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Answered
Why did CD folder; give such a goofy error message when I just forgot ()
Because cd apploc is equivalent to, cd('apploc') This is a general thing in Matlab function-calling syntax. For any functio...

1 year ago | 1

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moving median with variable window
Anyway, I will be very happy for any hint how to apply robust median filter on my use case, where separate parts of signal shoud...

1 year ago | 0

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moving median with variable window
x = rand(1,6) k = [2,3,3,5,3,2]; n=numel(x); J=repelem(1:n,k); I0=1:numel(J); splitMean=@(vals,G) (accumarray(G(:),vals...

1 year ago | 0

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Minimum CUDA driver version which works with R2024a
The driver version you need is a function of your GPU card. Why not just install the latest one as the error message suggests? ...

1 year ago | 2

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Moving window percentile computation using Conv
See ordfilt2.

1 year ago | 0

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Modifying arrow length based on intersection with polygon
An alternative to Mike's approach using linexlines2D() from the File Exchange, https://www.mathworks.com/matlabcentral/fileexch...

1 year ago | 1

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Should table Indexing be Faster?
I haven't profiled it, but I would bet that the following line, from @tabular/braceReference b = t.extractData(varIndices); is...

1 year ago | 1

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N-dimension curve fit how to
Perhaps polyfitn will help, https://www.mathworks.com/matlabcentral/fileexchange/34765-polyfitn

1 year ago | 0

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How to speed up vectorized operations for dynamic programming
This might be a little faster. betaPZtransp=beta*PZ'; tic while err>tol && iter<=max_iter RHS = Ret + reshape(V0*bet...

1 year ago | 1

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Answered
Is there a meaningful guideline on when to use parentheses vs square brackets vs curly brackets in writing MatLab code?
General If we forget about indexing for the moment, it becomes very simple. Function calls use parentheses, and only parenthese...

1 year ago | 2

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Chasing what is wrong with 'dual-simplex-highs' in linprog
It doesn't like your super-small Aeq values. load('linprog_test.mat') Aeq(abs(Aeq)<1e-8)=0; linprogopt = optimset('Algori...

1 year ago | 1

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How to log the data in the workspace without modifying the content of the for loop?
What does "log the data" mean? Do you mean you want to store it to a file on disk, or do you want to store it in some sort of ar...

1 year ago | 0

Answered
whether is imageInputLayer flattened?
No, an imageInputLayer does not reshape the input that it receives, as demonstrated in the following, net=dlnetwork(imageInputL...

1 year ago | 0

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Question

Accessing network drives from within Matlab
I have two Windows 10 computers running Matlab 2023b on the same network. On one computer, I am able to reach a remote network d...

1 year ago | 1 answer | 1

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Answered
How to quantify shape similarity between two vectors.
Perhaps you could use correlation-based similarity? x1 = 0:0.1:10; Y1 = gaussmf(x1,[0.8 5 ]); Y2 = gaussmf(x1,[0.8 3 ]); Y3 ...

1 year ago | 0

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I need to apply constrain using least square non negative function in Matlab
Use lsqlin instead.

1 year ago | 0

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Slice of a 3D plot and projection of that function in a plane.
[x,y,yhalf]=deal(linspace(-2,2,100)); yhalf(y<0)=nan; Z = exp(-( x.^2 + y.^2')); figure, mesh(x,yhalf,Z,'FaceAlpha',1); ...

1 year ago | 0

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Answered
Why imregtform registration fails on similar images
Perhaps as follows, load Images g=@(z) entropyfilt(z); f=@(z) z.*(z>=1.5); im=f(g(im)); ref=f(g(ref)); ov=imref2d(size(i...

1 year ago | 0

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How to numerically evaluate this singular integral in integral2?
As demonstrated in the comment above, the integral is theoretically non-convergent unless c>=norm([10/a,10/b]). Here is a furthe...

1 year ago | 1