# - EllPoint

• Operator: -
• Usage:
-P
• Inputs:
• Outputs:

## Description

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