Zohar

Last seen: 4 maanden ago | Active since 2011

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How to hook the command window to capture output in real-time?
I need a way to hook the command window to capture output in real-time. Probably modify the java ui. I'd like whenever a line (e...

4 maanden ago | 0 answers | 0

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answers

Question

CPLEX interface/API suggestion
A few years ago, IBM has decided not to support matlab, and there's been no change so far. CPLEX is still a decent solver with ...

5 maanden ago | 0 answers | 0

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answers

Question

No colors in the file editor when using high contrast on windows 11
It's only white text on black background: Syntax isn't highlighted. There's no indication for a selected text. There wasn't a...

5 maanden ago | 1 answer | 0

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answer

Question

Skip all simulink-related products in setup
During setup, I select products to install. When I remove simulink, it tells me that there are products which depend on it and i...

12 maanden ago | 1 answer | 0

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answer

Question

Matlab's C API interface degrades over time
I've been having this issue (for years!), matlab slowing down gradually when running many iterations that use the C interface, w...

meer dan 2 jaar ago | 0 answers | 0

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answers

Question

linprog ignores options, why?
I'm executing: options = optimoptions( 'linprog' ); options.Algorithm = 'interior-point'; %options.Algorithm = 'd...

ongeveer 3 jaar ago | 1 answer | 0

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answer

Question

How to make assert() debug break?
I attached my solution. Not sure why it's not the default behavior. function assert1( b ) if nargin < 1 b = 0; ...

meer dan 3 jaar ago | 1 answer | 0

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answer

Answered
mlx: pass a sparse matrix
From matlab support (Jerry Yan): 1. If it’s already loaded, no way to unload yet. The ability to unload the generated interfac...

meer dan 3 jaar ago | 0

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Answered
tcpclient: slow connection 2
On top of that, there's no return value (read/write), can't know if anything succeeded or the socket is valid, buggy when used w...

meer dan 3 jaar ago | 0

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Question

tcpclient: slow connection 2
Previously https://au.mathworks.com/matlabcentral/answers/1578545-tcpclient-slow-connection Now, new version of matlab, and co...

meer dan 3 jaar ago | 1 answer | 0

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answer

Question

mlx: pass a sparse matrix
I got the mlx working: https://www.mathworks.com/matlabcentral/answers/1634580-mlx-tutorial-interfacing-with-c First, I still ...

meer dan 3 jaar ago | 1 answer | 0

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answer

Answered
mlx tutorial: interfacing with c++
In matlab 2021a it works fine. When you run matObj = clib.matrixlib.Mat It looks for a file (in the path) "matrixlibInterfac...

meer dan 3 jaar ago | 0

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Question

An open question: mlx tutorial
A simple question that is still not answered: https://au.mathworks.com/matlabcentral/answers/1634580-mlx-tutorial-interfacing-w...

meer dan 3 jaar ago | 0 answers | 0

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answers

Question

Create a cropped power diagram
Given a set of 2D points, I'd like to create a power diagram that is cropped into a rectangle. There is this: https://au.mathw...

meer dan 3 jaar ago | 0 answers | 0

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answers

Question

mlx tutorial: interfacing with c++
I followed the 4-step tutorial (matlab 2019b): https://au.mathworks.com/help/matlab/matlab_external/build-interface-to-matrixop...

bijna 4 jaar ago | 1 answer | 0

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answer

Question

Bindings for MKL pardiso
Maybe someone can assist with this: https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Matlab-bindings-for-pardiso...

bijna 4 jaar ago | 0 answers | 0

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answers

Question

Sort struct fields in gui
I double-click a struct var in the workspace, and it opens a "variables" window with two columns: field, value. When I click th...

bijna 4 jaar ago | 1 answer | 0

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answer

Question

tcpclient: slow connection
The following: t = tcpclient('localhost', port); takes about 2sec instead of being instantaneous. I'm connecting to a python ...

bijna 4 jaar ago | 0 answers | 0

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answers

Question

Plot elements of specific size
I'm plotting a polygon made of edges and vertices. I'd like to plot these elements at a specific size or proportion: whether the...

ongeveer 4 jaar ago | 2 answers | 0

2

answers

Question

MEX: no stdout in release
I build my mex file with VS2019. I do my output with cout << "hi" << endl; When I build in release version, it outputs fine to...

meer dan 5 jaar ago | 1 answer | 1

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answer

Answered
Symbolic factorization of a large sparse matrix
When a symmetric matrix (Hessian) is involved, MA57 is used (ldl), which is faster than suitesparse. The symbolic factorization...

bijna 6 jaar ago | 0

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Answered
PARDISO, reuse symbolic factorization
I played with it a bit. I tried tracking the memory allocations using 'profile -memory on' and 'memory'. Unfortunately, the memo...

bijna 6 jaar ago | 0

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Question

Symbolic factorization of a large sparse matrix
I'm solving a series of problems Ax=b, where A changes, but still has the same sparsity pattern. To exploit that, in the initial...

bijna 6 jaar ago | 1 answer | 0

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answer

Question

PARDISO, reuse symbolic factorization
I installed the matlab package from pardiso-project.org, and I built the .mex linking with libpardiso600-WIN-X86-64.lib. I'm so...

bijna 6 jaar ago | 1 answer | 0

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Question

How to completely reset Matlab's workspace?
How can I reset Matlab's workspace (environment) as if I restarted it without actually restarting it (to avoid overhead)? Perhap...

ongeveer 8 jaar ago | 1 answer | 1

1

answer

Answered
Code ran by (C++ API call) engEvalString() is slower
I found the problem. Before running eval, there was a separate eval of: clear functions; This cleared Yalmip's init, and...

meer dan 8 jaar ago | 0

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Question

Code ran by (C++ API call) engEvalString() is slower
I noticed something disturbing. Executing Matlab code from C++ with the API call to engEvalString() runs twice as slow than runn...

meer dan 8 jaar ago | 1 answer | 0

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answer

Question

C++ engPutVariable() memory limitation
It seems that engPutVariable has memory limitation and can't send big matrices. Withing matlab I have no problem allocating: ...

bijna 11 jaar ago | 2 answers | 1

2

answers

Answered
C++ engPutVariable() memory limitation
I opened Technical Support Case #01197310. The reply is below. I still think it's a bug, some 32bit limitation, and there is n...

bijna 11 jaar ago | 0

Question

fmincon check Hessian (in DerivativeCheck)
When I set opts.DerivativeCheck='on' in fmincon, it checks only the gradient. How do I tell it to check the Hessian as well? ...

meer dan 11 jaar ago | 1 answer | 1

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