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Zaikun Zhang
Hong Kong Polytechnic University
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Submitted
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...
1 month ago | 14 downloads |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/feb6a5a3-db14-4dd2-abe5-3ce2fc059acc/c8714135-2b1f-4c70-810d-9fae8223db74/images/1630312585.png)
Submitted
PRIMA: Optimization without Using Derivatives
PRIMA is a package for solving general nonlinear optimization problems without using derivatives.
5 months ago | 11 downloads |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/389eb123-4568-4fee-a61b-1d3d4977736f/3b33a4a7-950c-4b37-b9ef-de009bb46d52/images/1681866955.png)
Question
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 ...
6 months ago | 0 answers | 1
0
answersStrange 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...
10 months ago | 0
| accepted
Question
Strange behavior of `copyfile` regarding symlinks on Linux and macOS
Consider the following function. %test_copyfile.m function test_copyfile() ...
10 months ago | 1 answer | 0
1
answerSubmitted
MatCUTEst
MatCUTEst is a package for facilitating the usage of CUTEst (https://github.com/ralna/CUTEst) in MATLAB on Linux.
12 months ago | 1 download |
Submitted
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...
1 year ago | 12 downloads |
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...
1 year ago | 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...
2 years ago | 1
| accepted
Question
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 ...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 1 answer | 0
1
answerBug: 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...
2 years ago | 0
| accepted
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...
2 years ago | 0
Question
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 ...
2 years ago | 0 answers | 0
0
answersQuestion
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...
2 years ago | 1 answer | 0
1
answerNeed help with mathematical optimization - fmincon
Your problem is a simulation-based optimization problem. You may try PDFO ( https://www.mathworks.com/matlabcentral/fileexchan...
4 years ago | 0
Question
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...
4 years ago | 1 answer | 0
1
answerQuestion
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...
4 years ago | 1 answer | 1
1
answerQuestion
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 ...
5 years ago | 1 answer | 0
1
answerQuestion
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...
5 years ago | 1 answer | 0