Beantwortet
How can i use symbolic variables in a parallel Computing (parfor)?
Dlu_11_1= zeros([M,N,N,M], 'sym') ; parfor t=1:(M*N)^2 [ki,kj,j,i]=ind2sub([M,N,N,M],t); Dlu_11_1(t)=d...

11 Monate vor | 1

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Frage

Are dlnetworks supposed to be allowed to have output layers?
Are dlnetworks allowed to have output layers? In the following code, I manage to create one, so the answer would seem to be yes....

11 Monate vor | 1 Antwort | 0

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Antwort

Beantwortet
How to install Graph Neural Networks Toolbox on MATLAB2024b
There is no such toolbox natively supplied by the MathWorks. If you're talking about a 3rd party toolbox, you should ask its aut...

11 Monate vor | 0

Beantwortet
Fit Ellipse to structure in image
I recommend downloading this, https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-tools-to-fit-plot-coni...

11 Monate vor | 0

Beantwortet
I want quick access toolbar strip (Data strip, ZoomIn, ZoomOut, etc.. buttons) on my 2019b MATLAB figure/plot window.
addToolbarExplorationButtons(fig)

11 Monate vor | 0

Beantwortet
Find orientation of a blade-shaped object
I would like to measure its orientation with an accuracy close to 0.1°. The accuracy will be influenced by the quality of your ...

11 Monate vor | 0

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Beantwortet
vpasolve finds no solutions except the null solution
With numerical algorithms like vpasolve, you never can tell what it will find, if anything. In any case, lsqnonlin seems to offe...

11 Monate vor | 0

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Beantwortet
How to fill a blank cell with the value of the cell above it in a table?
The only line of code you need is this one data.Var1=fillmissing(data.Var1,'previous') Get rid of the lines around it. Var1={...

11 Monate vor | 0

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Beantwortet
How to put a legend outside of a tiled layout graph?
TL=tiledlayout(4,1); %Outer Layout tl=tiledlayout(TL,3,1); %Inner Layout -- child of TL tl.Layout.Tile=1; tl.Lay...

11 Monate vor | 0

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Beantwortet
polyshape fractures after multiple merges
Perhaps I don't fully understand the logic of your loop completely, but I definitely think subtract() is more appropriate here t...

11 Monate vor | 0

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Beantwortet
When using assignin in subfunction A to create a variable in the workspace of subfunction B, the variable is being overwritten by a MATLAB built-in function with the same name
The real solution is this, function output = test_beta(input) output = test_beta2(input); end function beta=test_beta2...

11 Monate vor | 2

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Beantwortet
Non-linear scaling for linear increase in complexity
It is because you are applying property validations {mustBeFloat, mustBeNonnegative} on the x property. This means that in every...

11 Monate vor | 0

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Frage

Numeric vector indexing slows down when the vector is a struct field. Why?
In the speed comparision below, the only difference between Version 1 and Version 2 is that the vector being updated is the fiel...

11 Monate vor | 1 Antwort | 0

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Antwort

Beantwortet
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 ...

12 Monate vor | 0

Beantwortet
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...

12 Monate vor | 0

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Beantwortet
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...

12 Monate vor | 0

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Beantwortet
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...

12 Monate vor | 0

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Beantwortet
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 ...

12 Monate vor | 0

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Beantwortet
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');

12 Monate vor | 0

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Beantwortet
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)'; %...

12 Monate vor | 0

Beantwortet
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....

12 Monate vor | 0

Beantwortet
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...

12 Monate vor | 0

Beantwortet
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...

12 Monate vor | 0

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Beantwortet
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...

12 Monate vor | 0

Frage

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...

12 Monate vor | 2 Antworten | 0

2

Antworten

Beantwortet
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...

12 Monate vor | 0

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

12 Monate vor | 1

Beantwortet
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 = ...

12 Monate vor | 0

Beantwortet
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, ...

12 Monate vor | 0

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Beantwortet
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...

12 Monate vor | 0