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2017-05-01 14:43:09 +0200 | asked a question | transform quartic to weierstrass If we have a quartic surface like $y^2=a(t)x^4+b(t)x^3+...+e(t)$ with a point on it and want to transform it to weierstrass surface (cubic surface) with sage , what can we do? is it possible? |