differentiate a differential polynomial
differentiate (q, ders, R)
sequence of derivations, possibly empty
differential polynomial ring
Important: The diffalg package has been deprecated. Use the superseding package DifferentialAlgebra instead.
The command differentiate computes the successive derivatives of the differential polynomial q that belongs to R according to the elements of ders. The elements of ders must be derivations of R.
The command with(diffalg,differentiate) allows the use of the abbreviated form of this command.
R ≔ differential_ring⁡derivations=x,y,ranking=u,v
R ≔ PDE_ring
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