back-forward subsititution for a sparse complex matrix equation
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From: evan um on 21 May 2010 01:38 Hi all, I am trying to implement back and forward substitution for a sparse complex matrix equation. Unfortunately, MATLAB does not have an internal routine for this job. cs_ltsolve and cs_lsolve of SuiteSparse do not seem to support sparse complex matriices. Could you suggest any other libraries to handle this problem? In advance, thank you! Evan
From: Bruno Luong on 21 May 2010 02:14
"evan um" <evanum(a)gmail.com> wrote in message <ht567r$jt7$1(a)fred.mathworks.com>... > Hi all, > > I am trying to implement back and forward substitution for a sparse complex matrix equation. Unfortunately, MATLAB does not have an internal routine for this job. cs_ltsolve and cs_lsolve of SuiteSparse do not seem to support sparse complex matriices. Could you suggest any other libraries to handle this problem? Simply use x = S\rhs The MLDIVIDE will use forward/backward whenever S is lower/upper triangular. This is documented in the DOC. Bruno |