Hello,
When I write matrix(2,2,1) or matrix(QQ,3,3,1) I do not get the identitiy
matrix.
The only way the matrix function works is when I type
matrix()
and it gives me an empty matrix.
Why is this so? Have I not installed some package correctly? Below is the error
message that I get.
sage: matrix(2)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
/home/eren/sage/<ipython console> in <module>()
/home/eren/sage/local/lib/python2.7/site-packages/sage/matrix/constructor.pyc
in matrix(*args, **kwds)
497 # check to see if the number of rows is specified
498 try:
--> 499 import numpy
500 if isinstance(args[0], numpy.ndarray):
501 raise TypeError
/home/eren/sage/local/lib/python2.7/site-packages/numpy/__init__.py in
<module>()
134 return loader(*packages, **options)
135
--> 136 import add_newdocs
137 __all__ = ['add_newdocs']
138
/home/eren/sage/local/lib/python2.7/site-packages/numpy/add_newdocs.py in
<module>()
7 # core/fromnumeric.py, core/defmatrix.py up-to-date.
8
----> 9 from numpy.lib import add_newdoc
10
11
###############################################################################
/home/eren/sage/local/lib/python2.7/site-packages/numpy/lib/__init__.py in
<module>()
11
12 import scimath as emath
---> 13 from polynomial import *
14 #import convertcode
15 from utils import *
/home/eren/sage/local/lib/python2.7/site-packages/numpy/lib/polynomial.py in
<module>()
9 import re
10 import warnings
---> 11 import numpy.core.numeric as NX
12
13 from numpy.core import isscalar, abs, finfo, atleast_1d, hstack
AttributeError: 'module' object has no attribute 'core'
Thank you again
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