psym2::expsym2d_e Interface Reference

Private Member Functions
subroutine	expsym2d_e (x, z, zd)
	Get the exponential and its symmetric derivative for a symmetric 2*2 matrix using eigen-decomposition. More...

Detailed Description

Definition at line 27 of file psym2.f90.

Constructor & Destructor Documentation

expsym2d_e()

subroutine psym2::expsym2d_e::expsym2d_e ( real(dp), dimension(2,2), intent(in)  x, real(dp), dimension(2,2), intent(out)  z, real(dp), dimension(2,2,2,2), intent(out)  zd  )

private

Get the exponential and its symmetric derivative for a symmetric 2*2 matrix using eigen-decomposition.

Parameters

[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 317 of file psym2.f90.

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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/psym2.f90