Submitted

Constrained minimum L1-norm solutions of linear equations
Finds least L1-norm solutions to linear equations C*x=d subject to linear and/or integer constraints.

1 year ago | 4 downloads |

5.0 / 5

Answered
The issue of optimization (minimization) of the average relative error between experimental and calculated data
If you download minL1lin from https://www.mathworks.com/matlabcentral/fileexchange/52795-constrained-minimum-l1-norm-solutions-...

1 year ago | 0

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How can I efficiently save and access large arrays generated in nested loops?
I used the following given method to save the data, and it produced an 11 GB file, which seems very large. The memory consumpti...

1 year ago | 0

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Why ILP Solver Switching to Branch-and-Bound?
Assuming you are using intlinprog, it will always uses the branch-and-bound algorithm at some stage of the processing (not sure...

1 year ago | 0

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How to average across tables in a cell
AvgTb=Tb{1}; AvgTb{1}{:,:}=(Tb{1}{:,:}+Tb{2}{:,:}+Tb{3}{:,:})/3;

1 year ago | 0

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Detecting circles in an image to measure inner and outer diameter
Because of the angle of the camera, circular shapes like the ones you are looking for are imaged as ellipses. Since imfindcircle...

1 year ago | 0

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Find strings within other strings then pull data from that point
fileContent = fileread('P0300.txt'); prefix="01 3E"; e=" "+digitsPattern(2); pattern = prefix+e+e+e; matches = extractAf...

1 year ago | 0

Submitted

Array Concatenation with Implicit Expansion
Versions of cat(), horzcat(), and vertcat() that support implicit expansion

1 year ago | 2 downloads |

5.0 / 5

Answered
Finding the closest coordinate from a surface plot based on a X, Y location
F=griddedInterpolant({Slab_strike.x,Slab_strike.y},Slab_strike.z,'linear','nearest'); Strike = F(lon_GMM,lat_GMM);

1 year ago | 0

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Is it possible to find the line-of-sight for coarsely spaced and uneven terrain data points?
You coulduse linexline2d from this FEX post, https://www.mathworks.com/matlabcentral/fileexchange/93470-intersections-of-multi...

1 year ago | 0

Answered
Transforming Optimization Code from Problem-Based to Solver-Based Approach in MATLAB
See prob2struct

1 year ago | 0

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Split matrix into N Equal Parts by rows
You can also use mat2tiles, https://www.mathworks.com/matlabcentral/fileexchange/35085-mat2tiles-divide-array-into-equal-sized-...

1 year ago | 0

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quadprog output: this problem is non-convex
I think you probably should report it as a bug, but a possible workaround would be to approximate the original problem with ineq...

1 year ago | 0

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How to change in marker size in the global legend?
You will probably have to use legendflex from the file exchange, https://www.mathworks.com/matlabcentral/fileexchange/31092-leg...

1 year ago | 1

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How to generate vector with non-linear spacing?
a=-1; b=+1; d=1/(b-a)^2; y=d*randn(1,500); x=sort(y+(a+b)/2); stem(x,x.^0); xlim([a,b])

1 year ago | 0

Answered
Methods of Detecting and Removing Protrusions in Image
Use bwlalphaclose from this FEX package, https://www.mathworks.com/matlabcentral/fileexchange/90762-further-tools-for-analyzing...

1 year ago | 0

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liste vertex into polyhedron
See lcon2vert in this FEX download, which does not require the Optimization Toolbox, https://www.mathworks.com/matlabcentral/fi...

1 year ago | 0

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How can I replace the upper off diagonal(super diagonal) and lower off diagonal(sub diagonal) of a matrix?
n=8; T=diag(rand(n,1)) diagonal=diag(T); offdiagonal=rand(n-1,1)' %desired values B=[ [offdiagonal(:);0], [0;offdiagon...

1 year ago | 0

Answered
How can I replace the upper off diagonal(super diagonal) and lower off diagonal(sub diagonal) of a matrix?
n=8; T=diag(repelem(1.8,n)); T(2:2*(n+1):end)=1; T(n+1:2*(n+1):end)=1

1 year ago | 0

Answered
Finding the "center" of an extended ring
load Image BW0=BW; A=bwareafilt( imfill(BW,'holes'),1); BW=imclose(A.*BW, strel('disk',3)); B=bwconvhull(~(~A|BW)); m...

1 year ago | 0

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Answered
How can I find the set of vertices of hexagons which are adjacent to a random point?
hex=[ 0 -1.0000 -0.8660 -0.5000 -0.8660 0.5000 0 1.0000 0.8660 0.5000 0.8660 ...

1 year ago | 2

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How can I continue training my network from the previous state?
Just call trainnet() again, feeding it your net in its current state, rather than an untrained layer graph. You may wish to adj...

1 year ago | 2

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colorbar graph exceeding matrix values
You haven't attached Ft for us to examine, so we have no way to verify your claim that the data is bounded to [0,1]. Regardless,...

1 year ago | 0

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How to use Matlab trainnet to train a network without an explicit output layer (R2024a)
1) Is it possible to use trainnet in a network without an output layer? It is difficult to imagine that a built-in training func...

1 year ago | 0

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Work Around for Convolution1DLayer
Why not just use a convolution2dLayer? A 1D input is just a special case of a 2D input.

1 year ago | 0

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find best fit ellipse to a set of data points
Use ellipticalFit() from, https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-tools-to-fit-plot-conics-a...

1 year ago | 2

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FFT of 3D array in MATLAB
Why reinvent the wheel. Why not just use the open source FFTW C/C++ library (which Matlab is based on). https://www.fftw.org/ ...

1 year ago | 0

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is it possible to see what variables and functions affecting a certain variable ?
Perhaps you are looking for matlab.codetools.requiredfilesandproducts.

1 year ago | 0

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How to convert this fplot to 3D plot view
view(3)

1 year ago | 0

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Answered
trainnet gives training loss is NaN
You need to provide more information about what you did, e.g., the training code. However, I can hazard a guess. I imagine prob...

1 year ago | 0