grid_tools  1.10.0
pmat4::zntay Interface Reference

Private Member Functions

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...
 

Detailed Description

Definition at line 103 of file pmat4.f90.

Constructor & Destructor Documentation

◆ zntay()

subroutine pmat4::zntay::zntay ( integer(spi), intent(in)  n,
real(dp), intent(in)  z,
real(dp), intent(out)  zn 
)
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
[in]ninteger order of the derivative
[in]zreal argument
[in]znreturned value of the nth derivative
Author
R. J. Purser

Definition at line 1921 of file pmat4.f90.


The documentation for this interface was generated from the following file: