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**Content Feed**

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; ...

circa un mese ago | 1 answer | 0

### 1

answermlx: 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...

2 mesi ago | 0

| accepted

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...

2 mesi ago | 0

| accepted

Question

tcpclient: slow connection 2

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

2 mesi ago | 1 answer | 0

### 1

answerQuestion

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 ...

2 mesi ago | 1 answer | 0

### 1

answermlx 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...

2 mesi ago | 0

| accepted

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...

2 mesi ago | 0 answers | 0

### 0

answersQuestion

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...

2 mesi ago | 0 answers | 0

### 0

answersQuestion

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...

7 mesi ago | 1 answer | 0

### 1

answerQuestion

Bindings for MKL pardiso

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

7 mesi ago | 0 answers | 0

### 0

answersQuestion

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...

7 mesi ago | 1 answer | 0

### 1

answerQuestion

tcpclient: slow connection

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

9 mesi ago | 0 answers | 0

### 0

answersQuestion

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...

10 mesi ago | 2 answers | 0

### 2

answersQuestion

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...

circa 2 anni ago | 0 answers | 0

### 0

answersSymbolic 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...

oltre 2 anni ago | 0

| accepted

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...

oltre 2 anni ago | 0

| accepted

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...

oltre 2 anni ago | 1 answer | 0

### 1

answerQuestion

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...

oltre 2 anni ago | 1 answer | 0

### 1

answerQuestion

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...

circa 5 anni ago | 1 answer | 1

### 1

answerCode 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...

oltre 5 anni ago | 0

| accepted

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...

oltre 5 anni ago | 1 answer | 0

### 1

answerQuestion

C++ engPutVariable() memory limitation

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

oltre 7 anni ago | 2 answers | 1

### 2

answersC++ 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...

oltre 7 anni 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? ...

circa 8 anni ago | 1 answer | 1

### 1

answerQuestion

Show live output from API

I'm executing an .m script from C++ API (matlabEval). Unfortunately, I can't see the output until the script (e.g. one that ca...

circa 8 anni ago | 1 answer | 0

### 1

answerError using matlabpool: Elements of cell array input A must be strings

Resolved: It seems that C:\Program Files\MATLAB\R2013a\toolbox\local\pathdef.m is in the installation directory (reall...

circa 9 anni ago | 0

| accepted

Question

Error using matlabpool: Elements of cell array input A must be strings

Hi, Matlab 2013a Winx64. I execute: matlabpool I get an error: >> matlabpool Starting matlabpool using the 'loc...

circa 9 anni ago | 1 answer | 0

### 1

answerMATLAB API automation

Actually in windows if you enableservice() as I pointed out, or run matlab /automation before executing your app, the rule is ...

circa 11 anni ago | 0

MATLAB API automation

In Windows we can run the following command in matlab gui, and the automation would be enabled: enableservice('AutomationSe...

circa 11 anni ago | 0

Question

MATLAB API automation

Hi, I wrote on Windows a C++ standalone application, which communicates with the MATLAB engine through its API. Namely: #inc...

circa 11 anni ago | 3 answers | 0