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subroutine | U1LBX (mx, mah1, mah2, my, a, v) |
| Special back-substitution step of parallel linear inversion involving Banded matrix and X-right-Vectors. More...
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Definition at line 77 of file pmat2.f90.
◆ U1LBX()
subroutine pmat2::u1lbx::U1LBX |
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integer(spi), intent(in) |
mx, |
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integer(spi), intent(in) |
mah1, |
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integer(spi), intent(in) |
mah2, |
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integer(spi), intent(in) |
my, |
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real(sp), dimension(mx,-mah1:mah2), intent(in) |
a, |
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real(sp), dimension(mx,my), intent(inout) |
v |
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) |
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private |
Special back-substitution step of parallel linear inversion involving Banded matrix and X-right-Vectors.
- Parameters
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[in] | mx | the number of rows assumed for A and length of X-vectors stored in V |
[in] | mah1 | the left half-bandwidth of fortran array A |
[in] | mah2 | the right half-bandwidth of fortran array A |
[in] | my | number of parallel X-vectors inverted |
[in] | a | encodes the [L]*[U] factorization of the linear-system matrix, as supplied by subroutine L1UBB |
[in,out] | v | input as right-hand-side vectors, output as solution vectors |
- Author
- R. J. Purser, Tsukasa Fujita (JMA)
- Date
- 1996
Definition at line 1186 of file pmat2.f90.
The documentation for this interface was generated from the following file:
- /lfs/h2/emc/global/noscrub/George.Gayno/ufs_utils.git/UFS_UTILS.upstream/sorc/grid_tools.fd/regional_esg_grid.fd/pmat2.f90