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.

2 years ago | 916 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-...

2 years 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...

2 years 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...

2 years 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;

2 years ago | 0

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Answered
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...

2 years 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...

2 years ago | 0

Submitted

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

2 years ago | 57 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);

2 years ago | 0

Answered
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...

2 years ago | 0

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

2 years 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-...

2 years ago | 0

Answered
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...

2 years 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...

2 years ago | 1

Answered
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])

2 years 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...

2 years ago | 0

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

2 years 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...

2 years 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

2 years 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...

2 years 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 ...

2 years ago | 2

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Answered
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...

2 years 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,...

2 years 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...

2 years 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.

2 years 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...

2 years ago | 2

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Answered
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/ ...

2 years 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.

2 years ago | 0

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

2 years 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...

2 years ago | 0