computes the discriminant of the polynomial poly with respect to the variable var.

computes the discriminant modulo .

Details and OptionsDetails and Options

  • The discriminant of a polynomial with leading coefficient one is the product over all pairs of roots , of .
  • A Method option can be given, with typical possible values being Automatic, "SylvesterMatrix", "BezoutMatrix", "Subresultants", and "Modular".
Introduced in 2007
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