Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!spool.mu.edu!caen!zaphod.mps.ohio-state.edu!sample.eng.ohio-state.edu!purdue!mentor.cc.purdue.edu!mace.cc.purdue.edu!bfp From: bfp@mace.cc.purdue.edu (Bryan Putnam) Newsgroups: comp.lang.fortran Subject: Re: Need complex matrix solver for CM Message-ID: <7887@mace.cc.purdue.edu> Date: 27 Jun 91 21:09:54 GMT References: <1991Jun27.161918.10218@leland.Stanford.EDU> <1991Jun27.190724.26161@ariel.unm.edu> Organization: Purdue University Computing Center Lines: 14 In article <1991Jun27.190724.26161@ariel.unm.edu> john@spectre.unm.edu (John Prentice) writes: >In article <1991Jun27.161918.10218@leland.Stanford.EDU> francis@hanauma.stanford.edu (Francis Muir) writes: >>Re-write the code in REAL; it will probably illuminate. > >This is an amazingly presumptuous, not to mention useless, comment. If I That sounds like a perfectly good solution to me, although it makes the linear system twice as large. If you need a High School math reminder: Ax=b ==> + A(r) -A(i) + x(r) b(r) | | = + A(i) A(r) + x(i) b(i)