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D.12.4.1 ishyper

Procedure from library hyperel.lib (see hyperel_lib).

Usage:
ishyper(h,f); h,f=poly

Return:
1 if y^2+h(x)y=f(x) is hyperelliptic, 0 otherwise

Note:
Tests, if y^2+h(x)y=f(x) is a hyperelliptic curve.
Curve is defined over basering. Additionally shows error-messages.

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.