Respondida
how to read in a curved region of interest that is one plane?
I don't quite understand what you are trying to do, but I have the vague impression you are trying to interpolate an image on a ...

alrededor de 1 año hace | 0

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What coordinate system does regionprops assume for orientation angle?
You can still view the Orientation properties coordinate system as x-right, y-down, z-into-screen. However, the direction of pos...

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Which dimension(s) does trainingOptions shuffle apply to?
You can use analyzeNetwork to see which dimension is the batch dimension.However, I believe it will always be the last dimension...

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finding partial solutions from ill-conditioned equations
If you know which x(i) are well-determined, you could use lsqminnorm. In this example, we know that only x(1:2) are well-determi...

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Optimization method based on the Nonlinear least squares as well as fmincon for the defined objective function (Non-linear function).
The goal is to use some inverse method to get the same 3D datasets; therefore, after defining the objective function, I applied ...

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I am encountering a persistent error with the predict function in the Deep Learning Toolbox within MATLAB 2024b.
You need, testDlarray = dlarray(randn(inputSize,1), 'CB'); or, testDlarray = dlarray(randn(1, inputSize), 'BC');

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I have a N*N matrix depicting the intensities at different points in a circular plane. They are different intensities on a disc. How to plot the image?
clc, close all force N = 10; % Number of polar samples M = peaks(N); % Example heat map data T = linspace(0, 2*pi, N)'; %...

alrededor de 1 año hace | 0

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Parpool in Pattern search with temp directories
The process continous but i get these warnings:Warning: Unable to create a parallel pool. Continuing with evaluations in serial....

alrededor de 1 año hace | 0

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Fittype that calls a subfunction and integration with appdesigner
Your model is linear (in p). Using a nonlinear least squares fitter is super inefficient. So, instead, you should do, A = cell...

alrededor de 1 año hace | 0

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Diff does not work with symmatrix
Element-wise exponentiation is not a standard matrix algebra operation. I imagine it is for that reason that symmatrix.diff() do...

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How to call a centralized class from multiple deployed applications
If the platform is Windows then, according to ChatGPT, you can deploy the class as a COM server, so that another deployed MATLA...

alrededor de 1 año hace | 0

Pregunta

Define a custom input layer in the deep learning toolbox
In the Deep Learning Toolbox, it is possible to define one's own custom output layers and hidden layers. Is there no way to defi...

alrededor de 1 año hace | 2 respuestas | 0

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How to plot a loss function in reinforcement learning
This File Exchange submission looks reasonably popular, but I haven't used it myself, https://www.mathworks.com/matlabcentral/f...

alrededor de 1 año hace | 0

Respondida
Is it possible to reduce this for loop into one line of code?
Headers = findMissing(Headers); %One line

alrededor de 1 año hace | 1

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Pagewise multiplication along a dimension without using a for loop?
If you can build X in cell array form, instead of 4D form, you can save some time as well: X = randi([1 10],2,2,10,5); Xc = ...

alrededor de 1 año hace | 0

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pinv failing on single precision matrices
It doesn't look like a bug. Contrary to what you claim, the matrix is not very invertible, showing a condition number of ~1e7, ...

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freeze some weights inside of a fullconnected layer
It is possible with a custom layer. See this recent, related thread, https://www.mathworks.com/matlabcentral/answers/2174601-ho...

alrededor de 1 año hace | 0

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Cell2table issues when a numerical column is read as strings
I would also have many columns, some of which could be made up of: (a) all doubles (b) a mix of empty strings (e.g., ' ', ' ...

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Pagewise multiplication along a dimension without using a for loop?
No, but looking at your code, I would guess that the speed is being encumbered much more by the operation length(X(1,1,1,:)) tha...

alrededor de 1 año hace | 1

Respondida
Add a class folder to path
Nothing is wrong. @-directories should not and do not need to be on the path as long as their parent directory is. You can auto...

alrededor de 1 año hace | 0

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How to read all rows of an Excel with missing rows included?
ActiveX can be used to determine the last row/column of the worksheet: Then, you can force readcell to read in a larger range wi...

alrededor de 1 año hace | 0

Pregunta

Make gca() responsive to appDesigner axes clicks
I have an appdesigner app such as below with a uipanel containing regular images (not uiimages). I also have many, many standal...

alrededor de 1 año hace | 1 respuesta | 0

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polyshape not closing a circle
An added complication is that the resulting union may have multiple regions, so I cannot just duplicate the first vertex to the ...

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How can I create multiple function handles in a for loop?
The best would be to just have a matrix-valued function, fun=@(x) x.^2-mymat(:).*x+mymat(:) but you could make a cell array of...

alrededor de 1 año hace | 0

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Filtering Blobs on a Binary Image
If you can form an under-estimate of the extent of the blobs, let's call them sub-blobs, then you can fit a Gaussian lobe to the...

alrededor de 1 año hace | 0

Respondida
Why does the Code Analyzer flag this as an error?
Mathworks Support has classified it as a bug.

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How do you change the output dimension of a NN layer?
Should I flatten the inputs and then concatenate them similar to this example? Probably. See if the attached network does what...

alrededor de 1 año hace | 0

Respondida
Display a small matrix as a gray scale image
T2 =[ 0.4706 0.9804 0.8392 0.3216 0.9804 0.8392 0.3216 0.4706 0.8392 0.3216 0.4706 0.9...

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How to freeze specific neuron weights in a feedforward network during training process?
I don't think you can do it without the Deep Learning Toolbox. If you have the Deep Learning Toolbox, you can define a custom la...

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Respondida
Please help with this multiplication problem
You can multiply directly. Example: [m,n,r]=deal(3,4,2); A=rand(m,1,r); B=rand(1,n,r); C=A.*B; whos A B C

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