Answered
Understanding implicit surface plot behavior
Re-running the code in the latest release, R2024a, it appears the problem has been fixed. Q=diag([0,1,1]./3^2); axis([-5 5 -...

2 years ago | 0

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Question

Passing additional minibatchable quantities to a trainnet() loss function
I am calling trainnet() with the syntax, netTrained = trainnet(cds,net,lossFcn,options) where lossFcn=f(Y,T) is a handle to a ...

2 years ago | 1 answer | 0

1

answer

Answered
fminunc not converging objective function
You need to a better choice of units for x(3), at least for the optimization step. Below, I modify the objective function so tha...

2 years ago | 0

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Answered
Need help in MATLAB tiled layouts (nested)
If you download nestedLayouts, https://www.mathworks.com/matlabcentral/fileexchange/161736-grids-of-tiled-chart-layouts?s_tid=s...

2 years ago | 1

Answered
Save a 3D image to TIFF
See saveastiff, https://www.mathworks.com/matlabcentral/fileexchange/35684-multipage-tiff-stack?s_tid=srchtitle

2 years ago | 0

Answered
Coding the Jacobian efficiently in MATLAB
minusA = -A; J=@(u) JacobianEngine(u,minusA); function Jn = JacobianEngine(u,Jn) p=numel(u); Jn...

2 years ago | 0

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Answered
Should the discrete 2D convolution from MATLAB be multiplied with twice the nodal step size ?
Yes, that is correct.

2 years ago | 1

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Answered
The "union" function for polyshapes performs an incorrect consolidation of adjacent polyshapes when presented as a vector
A limitation has been discovered in the union operation for polyshapes. The development team has been notified about this issue ...

2 years ago | 0

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Answered
Error with spdiags size dimensions in pentadiagonal matrixes
Does anyone know if spdiags has undergone any significant updates between versions these 2 years? Yes, support for the syntax y...

2 years ago | 1

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Answered
How to Improve Performance of an Over-fit Convolutional Neural Network
By enforcing regularization penalty for generalization. I'm still figuring out what functions or options may allow me to do that...

2 years ago | 0

Answered
How to choose one between two constraint conditions
Considering Walter's answer, your example may not have captured your real question. If you really do have a feasible set of the ...

2 years ago | 0

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Answered
Rank value matrix from 3d Matrix
Also how can NaN values be ignored in this solution? Here's a revised method (loop-free) that also handles NaNs. As before, ran...

2 years ago | 0

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Answered
Non linear fitting with 3 independent variables
S=load('Data'); f=@(E,S)exp(-E.*S.Vf); funlist={f, @(E,S) -S.IL.*f(E,S), @(E,S) -S.a.*f(E,S)}; [E,ABC]=fminspleas(funlist...

2 years ago | 0

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Submitted

spatialgraph2D
Creates a graph object with 2D spatial locations associated with the nodes

2 years ago | 1 download |

4.8 / 5

Question

The "union" function for polyshapes performs an incorrect consolidation of adjacent polyshapes when presented as a vector
I have a polyshape vector "pv" consisting of 4 adjacent triangles: load tstcase_pv plot(pv) Why is it that when the polyshape ...

2 years ago | 2 answers | 0

2

answers

Question

Strange dependence of object display behavior on debugger state
Consider the following simple classdef, classdef myclass properties (Dependent) data end methods ...

2 years ago | 1 answer | 0

1

answer

Answered
How do I find the value closest to my desired value in a vector
interp1(FA,FA, freqlims,'nearest')

2 years ago | 0

Question

Are polyshape vertices preserved reliably without floating point errors?
Suppose I have two polyshapes p1 and p2 and I want to do operations on them (intersection, unions) that in theory should preserv...

2 years ago | 2 answers | 0

2

answers

Answered
How to speed up convolution with a million data points
Use conv, mzR_II=conv(gg,mzL,'same'); or FFTs, mzR_II=ifft( fft(gg,2*n) .* fft(mzL,2*n) , 'symmetric'); mzR_II=mzR_II(1:n)...

2 years ago | 0

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Question

Make trainnet pass in one observation to the network at a time
As best I can tell, trainnet vectorizes its computations across the batch dimension of every minibatch. I.e., during training, i...

2 years ago | 1 answer | 0

1

answer

Answered
Ellipsoid Mask based on user input of dimension and euler angle
An ellipsoid obeys the inequality (x-c)'*Q*(x-c)<=1 for some appropriate 3x3 matrix Q and 3x1 vector c (which is also the center...

2 years ago | 0

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Answered
constrainted regularization to solve ill conditioned problems?
To implement Tikhonov regularisation in lsqlin, C=... d=... lb=... ub=... beta=0.0001; %regularization weight I=eye(nu...

2 years ago | 0

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Answered
Add listener programmatically for each object method
In the project I am working on, many people contribute, and all would have to remember and implement this line. It wouldn't be...

2 years ago | 0

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Answered
Layer Input Expectation Doesn't Match (Neural Network)
'ValidationData', {val_x_array_transposed', val_y_array_transposed'} From the naming you have used here, it appears that you h...

2 years ago | 0

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Answered
Why is there an error in the calculation of 366.0/5.0?
All computers make imperfect calculations. It's a fact of life with finite precision floating point math.

2 years ago | 1

Answered
Is it possible to subtract the baseline of a graph from the peak using the curvefitter toolbox?
Yes, it would be possible, although for what you show it might be enough just to use polyfit.

2 years ago | 0

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Answered
Why does the for loop show the graph of the last plot?
Use figure() to open a new figure window for each plot (otherwise, each plot will overwrite the previous plot in that window). ...

2 years ago | 0

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Answered
moving two roi's together
hROI = drawcircle('Center',[x, y],'Radius',radius); roiCH = drawcrosshair('Position', [x,y], ... ...

2 years ago | 0

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Answered
Force super class to not call overloaded methods of the subclass
In any superclass method, you can test whether the invoking object is of the base class or one of its children. Depending on the...

2 years ago | 1

Answered
Non linear constrain to multi objective integer genetic algorithm
Is the idea that x(1:end/2) contain unique integers? I don't see how the given constraint would ensure that. The diff() function...

2 years ago | 0