Hi, I have solved this myself. Turns out libgfortran3 library wasn't
installed so I just did
sudo apt-get install libgfortran3
Thanks for the help,
Nishan
On Tuesday, 8 July 2014 01:51:00 UTC-4, Jan Groenewald wrote:
>
> Hi
>
> I cannot reproduce this:
> sage: import numpy.core.numeric as NX
> sage: phi = var('phi')
> sage: find_root(cos(phi)==sin(phi),0,pi/2)
> 0.7853981633974484
> sage:
>
> Maybe something is wrong with your installation?
>
> Regards,
> Jan
>
>
> On 8 July 2014 05:38, NahsiN <nishan.s...@gmail.com <javascript:>> wrote:
>
>> 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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>
>
>
> --
> .~.
> /V\ Jan Groenewald
> /( )\ www.aims.ac.za
> ^^-^^
>
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