h.curec

来自「强大的数学工具包」· CUREC 代码 · 共 37 行

                               * * * * * * *
                               *   curec   *
                               * * * * * * *

        "current elliptic curve"
        SYNTAX: X = curec(E)

        E is an expression whose value is an elliptic curve over Q,
        Z/pZ (where p is a prime), GF(2^n) or over a number field.

        curec specifies the current elliptic curve. All points are 
        now considered as points of E.
        E is stored in the variable curEllCurve. 
        X is assigned E.


        Example 1: (correct)

                curec(EC(4, 0))


        Example 2: (correct)

                curec(EC(4, 1, NF(A), 0, 0))


        Example 3: (correct)

                curec(EC(3,1,GF(2*A^2+A),2,5))


        Example 4: (incorrect)

                curec(x^3 + 4)

_ERR_NR_110