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subroutine | zntay (n, z, zn) |
| Evaluate, by Taylor-Maclaurin expansion, the nth-derivative of the function, C(z)=cosh(sqrt(2z)), or equiavlently, of C(z)=cos(sqrt(-2z)). More...
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Definition at line 103 of file pmat4.f90.
subroutine pmat4::zntay::zntay |
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integer(spi), intent(in) |
n, |
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real(dp), intent(in) |
z, |
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real(dp), intent(out) |
zn |
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private |
Evaluate, by Taylor-Maclaurin expansion, the nth-derivative of the function, C(z)=cosh(sqrt(2z)), or equiavlently, of C(z)=cos(sqrt(-2z)).
- Parameters
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[in] | n | integer order of the derivative |
[in] | z | real argument |
[in] | zn | returned value of the nth derivative |
- Author
- R. J. Purser
Definition at line 1920 of file pmat4.f90.
The documentation for this interface was generated from the following file:
- /scratch1/NCEPDEV/da/George.Gayno/ufs_utils.git/UFS_UTILS.upstream/sorc/grid_tools.fd/regional_esg_grid.fd/pmat4.f90