Derivations of function fields: rational - Algebraic Function Fields

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# Derivations of function fields: rational

class sage.rings.function_field.derivations_rational.FunctionFieldDerivation_rational(parent, u=None)

  Bases: `FunctionFieldDerivation`

  Derivations on rational function fields.

  EXAMPLES:

  Sage

      sage: K.<x> = FunctionField(QQ)
      sage: K.derivation()
      d/dx

  Python

      >>> from sage.all import *
      >>> K = FunctionField(QQ, names=('x',)); (x,) = K._first_ngens(1)
      >>> K.derivation()
      d/dx