Hello, I just downloaded the binary of Sage 6.2 for Ubuntu 14.04 64-bit.
While going through the tutorial, find_root does not work.
sage: phi = var('phi')
sage: find_root(cos(phi)==sin(phi),0,pi/2)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-7-a4d72c0e34b9> in <module>()
----> 1 find_root(cos(phi)==sin(phi),Integer(0),pi/Integer(2))
/opt/sage-6.2-x86_64-Linux/local/lib/python2.7/site-packages/sage/numerical/optimize.py
in find_root(f, a, b, xtol, rtol, maxiter, full_output)
110 a = s
111
--> 112 import scipy.optimize
113 return scipy.optimize.brentq(f, a, b,
114 full_output=full_output,
xtol=xtol, rtol=rtol, maxiter=maxiter)
/opt/sage-6.2-x86_64-Linux/local/lib/python2.7/site-packages/scipy/__init__.py
in <module>()
68 __all__ = ['test']
69
---> 70 from numpy import show_config as show_numpy_config
71 if show_numpy_config is None:
72 raise ImportError("Cannot import scipy when running from numpy
source directory.")
/opt/sage-6.2-x86_64-Linux/local/lib/python2.7/site-packages/numpy/__init__.py
in <module>()
135 return loader(*packages, **options)
136
--> 137 import add_newdocs
138 __all__ = ['add_newdocs']
139
/opt/sage-6.2-x86_64-Linux/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
###############################################################################
/opt/sage-6.2-x86_64-Linux/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 *
/opt/sage-6.2-x86_64-Linux/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, dot
AttributeError: 'module' object has no attribute 'core'
sage: version()
'Sage Version 6.2, Release Date: 2014-05-06'
Any ideas of what could be causing this error?
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