deriv |
Syntax |
deriv(F: RINGELEM, X: RINGELEM): RINGELEM |
Description |
Example |
/**/ Use R ::= QQ[x,y]; /**/ deriv(x*y^2, x); y^2 /**/ define Jac(f) --> The Jacobian matrix for a polynomial. /**/ return matrix([[deriv(f, X) | X in indets(RingOf(f))]]); /**/ enddefine; /**/ Jac(x*y^2); matrix( /*RingDistrMPolyClean(QQ, 2)*/ [[y^2, 2*x*y]]) /**/ FrF := NewFractionField(R); /**/ use FrF; /**/ deriv((x*y^2)/(x-1), x); (-y^2)/(x^2 -2*x +1) |
See Also |