Looking for the Source code of built in function ldl.m

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Dear All,
I am trying to use Matlab Coder to convert my Matlab code into C code. But there are a number of built in functions that Matlab Coder does not support. ldl.m is one of those functions. It seems that I have to rewrite ldl.m on my own so that I can use Matlab Coder. But it will be a huge work for me to write it on my own,
I am wondering if I can have the source code of ldl.m. If I can, then I could insert ldl.m as a sub-function in my code. I think I can use Matlab Coder to generate the C code. Does anybody know how to assecc to the source code of ldl.m?
Thanks in advance.

Accepted Answer

Walter Roberson
Walter Roberson on 9 Sep 2020
Edited: Walter Roberson on 11 Sep 2020
ldl uses the MA57 routines in the Harwell Subroutine Library (HSL) for real sparse matrices.
The Fortran source for MA57 is available from http://www.hsl.rl.ac.uk/ipopt/ under certain license conditions.

More Answers (1)

Steven Lord
Steven Lord on 9 Sep 2020
The ldl function is built into MATLAB. It is not implemented as a MATLAB script, function, or class file. We don't distribute its source code.


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