Nek5000
SEM for Incompressible NS
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Functions/Subroutines
gauss.F90 File Reference

routines for direct solves with Gaussian elimination (LU decomposition). More...

Go to the source code of this file.

Functions/Subroutines

subroutine lu (A, N, NDIM, IR, IC)
 the first subroutine to compute the matrix inverse More...
 
subroutine solve (F, A, K, N, NDIM, IR, IC)
 second part of the matrix inverse More...
 

Detailed Description

routines for direct solves with Gaussian elimination (LU decomposition).

Definition in file gauss.F90.

Function/Subroutine Documentation

subroutine lu ( real(dp), dimension(ndim,*)  A,
integer  N,
integer  NDIM,
integer, dimension(*)  IR,
integer, dimension(*)  IC 
)

the first subroutine to compute the matrix inverse

Definition at line 6 of file gauss.F90.

Referenced by setbd().

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subroutine solve ( real(dp), dimension(ndim,*)  F,
real(dp), dimension(ndim,*)  A,
integer  K,
integer  N,
integer  NDIM,
integer, dimension(*)  IR,
integer, dimension(*)  IC 
)

second part of the matrix inverse

Definition at line 79 of file gauss.F90.

References exitt().

Referenced by setbd().

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