NonConstants

is an option for D which gives a list of objects to be taken to depend implicitly on the differentiation variables.

Details

If c does not appear in the list of NonConstants, then D[c,x] is taken to be 0 unless c and x are identical expressions.

open allclose all

Here c is treated as a constant under differentiation:

Specify that c depends implicitly on x:

Specify that both c and d depend implicitly on x:

NonConstants allows D to emulate Dt:

Constants allows Dt to emulate D:

Introduced in 1988

(1.0)

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