h.rper

强大的数学工具包

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                               *   rper    *
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        "real period of an elliptic curve"
        SYNTAX: X = rper(E)

        E is an expression whose value is an elliptic curve over Q.
        
        X is assigned the real period of E.

        
        Example 1: (correct)
                
                rper( EC( 1, 0, 0, 1, 2 ) )