convert a differential polynomial from an external form to another one
denote (q, code, R)
differential polynomial in R
name; jet, diff, or Diff
differential polynomial ring
Important: The diffalg package has been deprecated. Use the superseding package DifferentialAlgebra instead.
The command denote converts the differential polynomial q given in the notation defined on R to the notation code.
The command with(diffalg,denote) allows the use of the abbreviated form of this command.
R ≔ differential_ring⁡derivations=t,ranking=u
p ≔ ut2−4⁢u
Q ≔ differential_ring⁡derivations=t,ranking=u,notation=diff
q ≔ ⅆ2ⅆt2⁢u⁡t−t⁢u⁡t+ⅆⅆt⁢u⁡t2
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