# 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?

Magma object from magma.eval()?

add a comment

1

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.

Asked: **
2011-06-23 08:13:33 -0500
**

Seen: **194 times**

Last updated: **Jun 23 '11**

Reseting magma tab completion data

Rewriting number field related Magma code in Sage

Computing maximal orders in relative extensions

Does sage have analog of magma function IsIsomorphic?

why sage help not give out a function'name Directory by subjects? [closed]

Inconsistent result between Sage and Magma for sqrt

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.