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Questions tagged [umfpack]

UMFPACK is a set of routines for solving unsymmetric sparse linear systems, Ax=b, using the Unsymmetric MultiFrontal method.

UMFPACK is a set of routines for solving unsymmetric sparse linear systems, Ax=b, using the Unsymmetric MultiFrontal method.

http://www.cise.ufl.edu/research/sparse/umfpack/

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using UMFPACK with QTCreator

I have been trying to setup the UMFPACK to run on QT creator for a while now but with no results. I first tried to build the UMFPACK using the cygwin for windows but some friend proposed using the built in package in the cygwin. I used the library…
Hussein Hazime
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solving Ax =B using UMFPACK

I'm using UMFPACK to solve Ax = B where both A and B are matrices. Currently in my implementation, I'm solving x(:,i) = A\b(:,i) one by one to get x. Is there a way to directly get x without having to loop through each columns of B like LAPACK does?
Dennis
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no module named scipy.linalg.dsolve.umfpack

I was trying to install Dioptas using python setup_win_32.py install. During the installation I got the following error: no module named scipy.linalg.dsolve.umfpack Does anyone know how I can resolve this issue? I am running on Windows 7 (32-bit)…
Brandon Rhymer
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FEniCS: UMFPACK reports that the matrix being solved is singular

I created a divided domain with the stokes-equation in the first subdomain and the mixed-poisson-equation (darcy) in the second subdomain. I work with the UnitSquare and the subdomain 1 should be the interval from 0 to 0,5 and the subdomain 2 from…
NinaS.
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Compiling SuiteSparse (UMFPACK) with Intel MKL on Linux

I am trying to compile SuiteSparse with BLAS and LAPACK from Intel MKL. However it seems that make cannot find those libraries. The part of SuiteSparse_config.mk file considering BLAS and LAPACK used by makefile looks like this: # This is probably…
Misery
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c++ file with no extension

I have a project that throw compilation errors, I have a file named "UmfPackSupport" that is included in another file named "PoissonBlender.hpp" with the line: #include "unsupported/Eigen/UmfPackSupport" I then have an error in the…
Mohamed Wagdy Khorshid
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Error in Compiling a sample file using UMFPACK

I want to compile a very umfpack_simple.c from Demos of UMFPACK but I'm getting following error: [root@localhost Test]# gcc -I../UMFPACK/Include -I../AMD/Include - I../SuiteSparse_config -I../GotoBLAS2 umfpack_simple.c libumfpack.a libamd.a…
Pouya
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