Answered
Gradients not recorded for a dlnetwork VAE
As the error message says, the call to dlgradient must occur within the function (in this case computeTotalLoss) called by dlfev...

7 months ago | 0

Answered
Match cell array names with table names
You shouldn't have 20 tables. You should have 20 struct fields, Tables.W1=... %a table Tables.S1=... %another table and s...

7 months ago | 0

Answered
Creating a string for loop.
Instead of separate variables, they should be struct fields, in.mp=[1,2,3]; in.bof=[11,12,13], and so forth. Then you can pro...

7 months ago | 0

Answered
How to implement a Transformer with separate encoder and decoder inputs and cross-attention in MATLAB?
trainNetwork does not seem to support multiple inputs. trainNetwork is deprecated. You should be using trainnet, which supports...

7 months ago | 0

Answered
low weighted cross entropy values
There are a few possible reasons for the discrepancy that I can think of, (1) Your norm_weights do not add up to 1 (2) You hav...

7 months ago | 0

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Answered
How to avoid trimming of string cells got by readtable method?
filename='tst.xlsx'; opts = spreadsheetImportOptions(DataRange='A1'); opts=setvaropts(opts,WhiteSpaceRule='preserve'); my...

7 months ago | 0

Answered
Special case of function not found even when in current directory or on path
It's because the file is preparsed to see if matlabbugfun1 is being used as a variable name or as a function name. You can avoid...

7 months ago | 0

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Answered
How can I perform partial trace for a pure state with four subsystems?
Does this do what you want? % reshape |psi> into tensor (s1,s2,s3,s4) psi_tensor = reshape(psi,[2,2,N,N]); % reorder to gro...

7 months ago | 0

Answered
MATLAB graph/cyclebasis: How can I extract labeling-independent “minimal loop units”?
This might help: https://www.mathworks.com/matlabcentral/fileexchange/73630-spatialgraph2d node = [ 2 7 2 3 3 4 4 5 5 6 ...

7 months ago | 1

Answered
Access class methods in one line only when you use brackets after class name.
The phenomenon you are seeing goes beyond just classes. Data is the name of a function (the class constructor). As explained her...

8 months ago | 0

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Answered
How to use Markov Chain Monte Carlo for data fitting
I assume your Python user friend was talking about PyDREAM, https://pydream.readthedocs.io/en/latest/installation.html and th...

8 months ago | 0

Answered
Get mean of a matrix which has NaN in it
grades = [2,4,6; 5, NaN, 1; 7, 2,NaN] mean(grades,'omitnan')

8 months ago | 0

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Answered
Making random to work like randi
idx = floor( (N_clusters-1)*rand(N_clusters,1) )+1

8 months ago | 1

Answered
Help with Plotting the Envelope of a Scatter Plot in MATLAB
load xy x=x(:); y=y(:); [G,yg]=findgroups(y); xmin=splitapply(@min,x,G); xmax=splitapply(@max,x,G); [yg,is]=sort(yg...

8 months ago | 0

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Answered
How we can calculculate the MTF from PSF?
MTF=abs(fft2(PSF)); MTF=fftshift(MTF/MTF(1));

8 months ago | 0

Answered
How can i classify shapes on this image as square, rectangle and circle?
See here, https://www.mathworks.com/matlabcentral/answers/116793-how-to-classify-shapes-of-this-image-as-square-rectangle-trian...

8 months ago | 0

Answered
How to classify shapes of this image as square, rectangle, triangle and circle?
Fit a polyshape to each of the objects by downloading bwlpolyshape() https://www.mathworks.com/matlabcentral/fileexchange/18142...

8 months ago | 0

Answered
Combining one matrix into another that are of different sizes
n = 36; V = kron( eye(2) , [ 0 1 0; -1 0 0; 0 0 1]) ; V(end,n)=0; K=numel(1:3:32); Tx=cell(1,1,K); Tx{1}=V; for k = 2:...

8 months ago | 1

Answered
Problem with mesh grid and intersection of two surfaces
Perhaps as follows: tol = 1e-8; pas = 0.001; [N11, N31] = meshgrid(0:pas:0.01); N11=N11(:); N31=N31(:); %% Polynôme 1 A...

8 months ago | 0

Answered
Switching values around in a matrix
A = [2 5; 9 7; 10 2; 3 2; 1 9]; B([1:2:10,2:2:10],1)=A(:)

8 months ago | 0

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Answered
problem using trisurf in a gui
The "hold on" command doesn't prevent it from starting afresh every time. Use, hold(ax2,'on')

8 months ago | 0

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Answered
can i change how load function operates?
You cannot, unfortunately.

8 months ago | 0

Answered
Focus doesn't switch from editor to command window when runnning m file R2025A
Use inputdlg instead.

8 months ago | 0

Answered
Running into problems using the latex interpreter in strings
There are two issues, mainly. (1) You should set the Interpreter first (before the String), to avoid the warnings (2) Because ...

8 months ago | 0

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Answered
Undock the variables window
Yes, you can undock the Variables Editor, and pretty much everything else.

8 months ago | 0

Answered
Some enumeration members are unrecognized
I'm not encountering any problems in 2024b. Perhaps you forget that you implemented a disp method, which displays those members ...

8 months ago | 0

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Answered
How to avoid redefining optimoptions in Simulink for real-time nonlinear optimization with fmincon (SQP)?
You can use global variables (but with care). function y = fcn(u) global lb ub options y = fminbnd(@(x) f1(x,u),lb,ub,...

8 months ago | 0

Answered
Anonymous function handle incosistence problem with Fourier functions
Aside from what Stephen mentions, (1) the time and frequency axes need to have a common origin at the center of the array. (2...

8 months ago | 0

Answered
How to work out trigonometric identities symbolically?
There is no unique expansion of such an expression. You would have to go the other way. syms w v t simplify( 0.5 * (cos(w*t ...

8 months ago | 0

Answered
Issue with 2D Planar Area Calculation Using surf
You may havee to regrid the data so that it is uniformly spaced and also scale the area calculation by the pixel area: load max...

8 months ago | 0