keep: Keep or drop variables

In stokes: The Exterior Calculus

Keep or drop variables

Description

Keep or drop variables

Usage

keep(K, yes)
discard(K, no)

Arguments

K	Object of class kform
yes,no	Specification of dimensions to either keep (yes) or discard (no), coerced to a free object

Details

Function keep(omega,yes) keeps the terms specified and discard(omega,no) discards the terms specified. It is not clear to me what these functions mean from a mathematical perspective.

Value

The functions documented here all return a kform object.

Author(s)

Robin K. S. Hankin

See Also

lose

Examples

(o <- kform_general(7,3,seq_len(choose(7,3))))
keep(o,1:4)   # keeps only terms with dimensions 1-4
discard(o,1:2)  # loses any term with a "1" in the index

stokes documentation built on Aug. 19, 2023, 1:07 a.m.