Zaikun Zhang
Sun Yat-sen University
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MATLAB 2025a segfaults on Ubuntu when handling Fortran MEX files with internal subroutines
This issue is due to increased security measures on Linux machines. Starting in R2025a, the execstack flag of the MATLAB executa...
2 meses hace | 0
| aceptada
Pregunta
An issue with parfor in MATLAB R2023a--R2025a
Consider two MATLAB m files named profile.m and try_parfor.m as follows. % profile.m function profile() olddir = pwd(...
4 meses hace | 0 respuestas | 2
0
respuestasPregunta
MATLAB 2025a segfaults on Ubuntu when handling Fortran MEX files with internal subroutines
This is very likely a bug of MATLAB R2025a on Ubuntu. I would like to know whether anyone else can reproduce it (on Ubuntu). Tha...
6 meses hace | 1 respuesta | 0
1
respuestaEnviada
PDFO: Powell's Derivative-Free Optimization solvers
Interfaces by Tom M. Ragonneau and Zaikun Zhang for using the late Professor M. J. D. Powell's derivative-free optimization solv...
más de 1 año hace | 5 descargas |
Enviada
PRIMA: Optimization without Using Derivatives
PRIMA is a package for solving general nonlinear optimization problems without using derivatives.
casi 2 años hace | 5 descargas |
Pregunta
Does MEX of MATLAB R2023b (update 6) on macOS-13 work with Xcode 15 and Intel oneAPI 2023?
[Update 20240217: I am almost sure that this is a bug of MATLAB R2023b. The default MEX options are wrongly specified. They are ...
casi 2 años hace | 0 respuestas | 1
0
respuestasStrange behavior of `copyfile` regarding symlinks on Linux and macOS
Update 20231031: Below is the response from MathWorks support. " Please be assured that this has been confirmed as a bug and i...
alrededor de 2 años hace | 0
| aceptada
Pregunta
Strange behavior of `copyfile` regarding symlinks on Linux and macOS
Consider the following function. %test_copyfile.m function test_copyfile() ...
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaEnviada
MatCUTEst
MatCUTEst is a package for facilitating the usage of CUTEst (https://github.com/ralna/CUTEst) in MATLAB on Linux.
más de 2 años hace | 3 descargas |
Enviada
setup_mex: Set up MEX on Windows and macOS for Fortran and C
This package provides scripts that facilitate setting up the MATLAB MEX on Windows and macOS for compiling Fortran and C using I...
más de 2 años hace | 11 descargas |
fmincon optimization not running properly, stops beacuase of StepTolerance
I conducted a quick experiment using the function and data in the question. The solvers are fmincon of MATLAB and PRIMA, which i...
más de 2 años hace | 1
Bug in MATLAB R2022a: MEX does not support gfortran 8.x as specified in the official documentation
According to MEX team (20220406, copied from a GitHub Issue): This is bug with R2022a and we are fix it as soon as possible. T...
casi 4 años hace | 1
| aceptada
Pregunta
Bug in MATLAB R2022a: MEX does not support gfortran 8.x as specified in the official documentation
Update (20220406): The MathWorks MEX team has confirmed this problem as a bug of MATLAB R2022a. A workaround is provided by the ...
casi 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Does the execution of addpath/rmpath/savepath in one workspace affect other workspaces?
Does the execution of addpath/rmpath/savepath in one workspace affect other workspaces? Suppose that I have two instances of MA...
casi 4 años hace | 1 respuesta | 0
1
respuestaBug: MATLAB crashes when mexifying the official `timestwo.c`
Here is the latest update (20220225) received from the supporting team of MathWorks: ``` Got the confirmation that the crash...
casi 4 años hace | 0
| aceptada
Why trust-region-reflective algorithm in fmincon require a gradient as input?
What you @SM are looking for is called Derivative-Free Optimization methods. They do not require derivatives or analytical formu...
casi 4 años hace | 0
Pregunta
Is MEX known to be slow on macOS?
Question: Is MEX known to be slow on macOS? Here, "slow" refers to the speed of setting MEX up, of compiling MEX code, and of ...
casi 4 años hace | 0 respuestas | 0
0
respuestasPregunta
Bug: MATLAB crashes when mexifying the official `timestwo.c`
Update (20220225): Here is the latest update received from the supporting team of MathWorks. ``` Got the confirmation that th...
casi 4 años hace | 1 respuesta | 0
1
respuestaNeed help with mathematical optimization - fmincon
Your problem is a simulation-based optimization problem. You may try PDFO ( https://www.mathworks.com/matlabcentral/fileexchan...
más de 5 años hace | 0
Pregunta
Supress MEX warning: f951: Warning: Nonexistent include directory ‘MATLABROOT/simulink/include’ [-Wmissing-include-dirs]
I have MATLAB 2019b but not simulink installed on my computer (ubuntu 16.04). When trying mex(fullfile(matlabroot, 'extern', 'e...
más de 5 años hace | 1 respuesta | 0
1
respuestaPregunta
Recursive definition of anonymous function
(Note that the mathematics in this question is hypothetical and illustrative.) Suppose that I am writing a function "foo" to mi...
más de 5 años hace | 1 respuesta | 1
1
respuestaPregunta
The return type of mxIsDouble, mxIsSingle, and mxIsClass (mex for Fortran)
According to https://www.mathworks.com/help/matlab/apiref/mxisclass.html the return of mxIsDouble for Fortran (also mxIsSingle ...
más de 6 años hace | 1 respuesta | 0
1
respuestaPregunta
Portable declaration of REAL variables in mex gateway for Fortran
(The same question is asked here: https://stackoverflow.com/questions/57244555/portable-declaration-of-real-variables-in-mex-gat...
más de 6 años hace | 1 respuesta | 0
