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

11 meses hace | 0

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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...

12 meses hace | 0

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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...

12 meses hace | 0

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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 ...

12 meses hace | 1

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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...

12 meses hace | 0

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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...

12 meses hace | 0

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

12 meses hace | 0

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

12 meses hace | 1

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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...

12 meses hace | 0

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

12 meses hace | 0

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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...

12 meses hace | 0

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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...

12 meses hace | 0

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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:...

12 meses hace | 1

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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...

12 meses hace | 0

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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(:)

12 meses hace | 0

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

12 meses hace | 0

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

12 meses hace | 0

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

alrededor de 1 año hace | 0

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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 ...

alrededor de 1 año hace | 0

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

alrededor de 1 año hace | 0

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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 ...

alrededor de 1 año hace | 0

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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,...

alrededor de 1 año hace | 0

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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...

alrededor de 1 año hace | 0

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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 ...

alrededor de 1 año hace | 0

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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...

alrededor de 1 año hace | 0

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I want to clip a contour output to the interior of a closed polygon
Since you have extracted the contour line coordinate data and modified them, you could just replot them as line plots instead of...

alrededor de 1 año hace | 0

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Details pane missing in 2025a
Yes, it's been removed. You can still preview the file by right-clicking on it and selecting Preview. I would be interested to k...

alrededor de 1 año hace | 0

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Plotting Set of Inequalities
Your inequalities can be re-arranged as linear inequalities, and then plott...

alrededor de 1 año hace | 0

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Function to copy to clickboard in App Designer?
Implement a WindowButtonDownFcn callback for the UIFigure canvas, function CanvasButtonDown(app, event) clickedC...

alrededor de 1 año hace | 0

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Please help me, I want to graph this attached simple relation
The following is deliberately not exactly what you asked for, but illustrates one possible approach. [a0,a1,c1,c2,c3,c4,lambda...

alrededor de 1 año hace | 1

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