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| subroutine | dfco2 (na, nb, za, zb, z0, a, b) |
| | Compute one row of the coefficients for either the compact second- differencing scheme characterized by matrix equation of the form, A.d = B.c (*) Where d is the second-derivative of c. More...
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| subroutine | ddfco2 (na, nb, za, zb, z0, a, b) |
| | Double precision version of DFCO2 to get 2nd-derivative coefficients. More...
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| subroutine | tdfco2 (xa, xb, a, b) |
| | Simplified computation of compact 2nd-derivative coefficients. More...
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Definition at line 58 of file pmat2.f90.
◆ dfco2()
| subroutine pmat2::dfco2::dfco2 |
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integer(spi), intent(in) |
na, |
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integer(spi), intent(in) |
nb, |
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real(sp), dimension(na), intent(in) |
za, |
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real(sp), dimension(nb), intent(in) |
zb, |
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real(sp), intent(in) |
z0, |
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real(sp), dimension(na), intent(out) |
a, |
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real(sp), dimension(nb), intent(out) |
b |
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) |
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private |
Compute one row of the coefficients for either the compact second- differencing scheme characterized by matrix equation of the form, A.d = B.c (*) Where d is the second-derivative of c.
- Parameters
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| [in] | na | number of d-points operated on by this row of the A of (*) |
| [in] | nb | number of c-points operated on by this row of the B of (*) |
| [in] | za | coordinates of d-points used in this row of (*) |
| [in] | zb | coordinates of c-points used in this row of (*) |
| [in] | z0 | nominal point of application of this row of (*) |
| [in] | a | the NA coefficients A for this scheme |
| [in] | b | the NB coefficients B for this scheme |
- Author
- R. J. Purser, Tsukasa Fujita (JMA)
- Date
- 1999
Definition at line 283 of file pmat2.f90.
◆ ddfco2()
| subroutine pmat2::dfco2::ddfco2 |
( |
integer(spi), intent(in) |
na, |
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integer(spi), intent(in) |
nb, |
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real(dp), dimension(na), intent(in) |
za, |
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real(dp), dimension(nb), intent(in) |
zb, |
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real(dp), intent(in) |
z0, |
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real(dp), dimension(na), intent(out) |
a, |
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real(dp), dimension(nb), intent(out) |
b |
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) |
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private |
Double precision version of DFCO2 to get 2nd-derivative coefficients.
- Parameters
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| [in] | na | number of 2nd-derivative (d) points in compact formula |
| [in] | nb | number of source points (c) |
| [in] | za | coordinates of 2nd-derivative points |
| [in] | zb | coordinates of source points |
| [in] | z0 | nominal coordinate of application |
| [in] | a | coefficients A for derivative points |
| [in] | b | coefficients B for source points |
- Author
- R. J. Purser, Tsukasa Fujita (JMA)
- Date
- 1999
Definition at line 318 of file pmat2.f90.
◆ tdfco2()
| subroutine pmat2::dfco2::tdfco2 |
( |
real(dp), dimension(:), intent(in) |
xa, |
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real(dp), dimension(:), intent(in) |
xb, |
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real(dp), dimension(:), intent(out) |
a, |
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real(dp), dimension(:), intent(out) |
b |
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) |
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private |
Simplified computation of compact 2nd-derivative coefficients.
- Parameters
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| [in] | xa | Relative coordinates of derivatives |
| [in] | xb | Relative coordinates of source points |
| [out] | a | coefficients A for the derivatives in compact scheme |
| [out] | b | coefficients B for source values in the compact scheme |
- Author
- R. J. Purser, Tsukasa Fujita (JMA)
- Date
- 1999
Definition at line 350 of file pmat2.f90.
The documentation for this interface was generated from the following file:
- /scratch1/NCEPDEV/da/George.Gayno/ufs_utils.git/UFS_UTILS/sorc/grid_tools.fd/regional_esg_grid.fd/pmat2.f90
1.8.14