Computes the inverse of a point.
i1 : E=ellCurve(3,8,GF(13)) o1 = Elliptic Curve defined by Y^2 = X^3 + 3 X + (-5) over (GF 13). o1 : EllipticCurve |
i2 : P=ellPoint({1,5,1},E) o2 = Point {1, 5, 1} on the (Elliptic Curve defined by Y^2 = X^3 + 3 X + (-5) over (GF 13).) o2 : EllPoint |
i3 : -P o3 = Point {1, -5, 1} on the (Elliptic Curve defined by Y^2 = X^3 + 3 X + (-5) over (GF 13).) o3 : EllPoint |