intZF

Return the first antiderivative of an F-representation.

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Declaration

 U = intZF(u,n=1)

Parameters

• u F-representation in [Nx Ny Nz] or [Nz N] layout
• n antiderivative order; only 1 is supported (default 1)

Returns

• U G-representation antiderivative in the input layout

Discussion

The result is the antiderivative representable in G space. The barotropic F mode is removed because it has no corresponding G mode, so the result vanishes at both vertical boundaries. u may use the gridded layout [Nx Ny Nz] or a vertical-first matrix [Nz N]; the returned array preserves that layout.