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[Lapack] want the subroutine for Ax=b


I meant: "lapack is not appropriate for 100,000-by-100,000 sparse 
symmetric matrices."

On Sun, 7 Feb 2010, Julien Langou wrote:


Hello, lapack is an appropriate for 100,000-by-100,000 sparse symmetric 
matrices. Julien.

On Sat, 6 Feb 2010, Mohammad Ahmed Hussain wrote:


Hello sir,

please help.

i want the subroutine in fortran 77
to solve the system Ax=B
A is sparse symmetric real matrix
size is around 100000X100000

presently the solver which i am using is taking lot of time to find the
inverse.
this inverse process i have to it for many times.

Do you have any code which solves using parallel computing

presently my os is windows 64 bit
my application is on intel visual fortran using visual studio 2008

please help

thanks and regards


-- 
Mohammad Ahmed Hussain,
PhD student,
Earthquake Engineering Research Centre,
IIIT HYDERABAD.



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