Functions/Subroutines
subroutine	laplacian_2d (x, del2x, nx, ny, deltax, deltay)
	Horizontal Laplacian operator. More...

Function/Subroutine Documentation

◆ laplacian_2d()

subroutine laplacian_2d	(	real(kind=kind_real), dimension(nx,ny), intent(in)	x,
		real(kind=kind_real), dimension(nx,ny), intent(out)	del2x,
		integer, intent(in)	nx,
		integer, intent(in)	ny,
		real(kind=kind_real), intent(in)	deltax,
		real(kind=kind_real), intent(in)	deltay
	)

Horizontal Laplacian operator.

Nothing fancy here. It's just the standard 5-point finite-difference Laplacian.

Parameters

[in]	nx	Zonal grid dimension
[in]	ny	Meridional grid dimension
[in]	x	Streamfunction
[out]	del2x	Result of applying Laplacian to x
[in]	deltax	Zonal grid spacing (non-dimensional)
[in]	deltay	Meridional grid spacing (non-dimensional)

Definition at line 15 of file laplacian_2d.f90.

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