I tried to use "ctc.py" but i recieved the following error.
can any body help me?
many thanx
| Sage Version 3.2.3, Release Date: 2009-01-05 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: attach "ctc.py"
---------------------------------------------------------------------------
ImportError Traceback (most recent call
last)
/users/cs/grad/aaz623/sage/sage-3.2.3/ctc.py in <module>()
7 from sage.rings.integer_ring import ZZ
8 from sage.rings.finite_field_givaro import FiniteField_givaro
----> 9 from sage.rings.polynomial.multi_polynomial_ring import
MPolynomialRing
10
11 from sage.crypto.mq.mpolynomialsystemgenerator import
MPolynomialSystemGenerator
ImportError: cannot import name MPolynomialRing
WARNING: Failure executing file: </users/cs/grad/aaz623/sage/
sage-3.2.3/ctc.py>
sage:
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