Magma object from magma.eval()?
How can I get a Magma object to use inside of Sage from something created in Magma through magma.eval()? Is this possible?
How can I get a Magma object to use inside of Sage from something created in Magma through magma.eval()? Is this possible?
Suppose you created a polynomial in Magma with the following command:
sage: magma.eval('R<x> := PolynomialRing(RationalField()); f := (x-17/2)^3;')
Then, you can get a Sage version of that object like this:
sage: magma('f').sage()
The magma('f')
part creates an object (MagmaElement
) in Sage which is basically a pointer to the variable f
in the Magma session. (You can actually use this perform calls on this objects which will translate to Magma commands. For example, magma('f').Factorization()
is basically same as doing magma.eval('result := Factorization(f);')
and returning magma('result')
.) The sage()
method will convert a MagmaElement
to the corresponding Sage object if possible.
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Asked: 2011-06-23 15:13:33 +0100
Seen: 451 times
Last updated: Jun 23 '11
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