Elliptic Curve Rational Field Height CODE

Anonymous

Hi, I would like to know what does the function R() in lines 5060,5061 etc do. This is the code that I'm looking at:

Thank you!

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There R represents the field of real numbers with given precision. It is just used for conversion. You can try it with the following example

sage: R=RealField()
sage: 1
1
sage: type(1)
sage.rings.integer.Integer
sage: R(1)
1.00000000000000
sage: type(R(1))
sage.rings.real_mpfr.RealNumber

I see. Thank you very much for the help!

Blackadder ( 12 years ago )

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Last updated: Mar 17 '13