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subroutine | expsym2d_e (x, z, zd) |
| Get the exponential and its symmetric derivative for a symmetric 2*2 matrix using eigen-decomposition. More...
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Definition at line 27 of file psym2.f90.
subroutine psym2::expsym2d_e::expsym2d_e |
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real(dp), dimension(2,2), intent(in) |
x, |
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real(dp), dimension(2,2), intent(out) |
z, |
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real(dp), dimension(2,2,2,2), intent(out) |
zd |
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private |
Get the exponential and its symmetric derivative for a symmetric 2*2 matrix using eigen-decomposition.
- Parameters
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[in] | x | symmetric 2*2 positive-definite matrix |
[out] | z | exp of symmetrix matrix x |
[out] | zd | symmetric derivative of z wrt x |
- Author
- R. J. Purser
Definition at line 316 of file psym2.f90.
The documentation for this interface was generated from the following file:
- /gpfs/dell2/emc/modeling/noscrub/George.Gayno/ufs_utils.git/UFS_UTILS.upstream/sorc/grid_tools.fd/regional_esg_grid.fd/psym2.f90