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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...

約1年前 | 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...

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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')

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

約1年前 | 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...

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

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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...

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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...

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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:...

約1年前 | 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...

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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(:)

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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')

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

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

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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 ...

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

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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 ...

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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,...

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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...

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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 ...

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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...

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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...

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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...

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

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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...

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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...

約1年前 | 1

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fft function seemingly not evaluating correctly
Pretty close. There are several issues with how you set up your axes, both in the original domain and the Fourier domain. For on...

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Modulo with expression not the same as modulo with value
Because mod(1,z) is a discontinuous function of z at 0.1, fplot(@(z) mod(1,z),[0,0.2])

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Displaying a 3D object with the nearest 2 quadrants to the viewer cut out.
Couldn't you just use the volume viewer app https://www.mathworks.com/help/images/explore-3-d-volumetric-data-with-volume-viewe...

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Pass parameters to arbitrarily deep functions in a parfor loop (write once, read multiple)
I recommend that you go through the effort of revising all your function signatures to accept an additional argument for the par...

約1年前 | 1