[SciPy-user] I'm a newbie in Python ans SciPy... so i've a little question
lorenzo bolla
lbolla at gmail.com
Thu Jan 10 09:55:53 EST 2008
ops, I meant:
print S.det(ar) # Get
determinant of ar
sorry for the noise,
L.
On 1/10/08, lorenzo bolla <lbolla at gmail.com> wrote:
>
> no idea...
> but if you use numpy, no problem!
>
>
> #import numarray as N
> import numpy as N
> import scipy.linalg as S
>
> ar = N.array([[4.0, -2.0, 1.0], \
> [-2.0, 4.0, -2.0], \
> [1.0, -2.0, 3.0]])
> print 'Before det() ar = \n', ar
>
> print N.det(ar) # Get
> determinant of ar
> print 'After det() ar = \n', ar
>
>
> hth,
> L.
>
>
> On 1/10/08, Juan Martinez <jmartinezs at sii.cl> wrote:
>
> > Hello Everybody:
> >
> > I'm a newbie user of Scipy, and i try to get a determinant of a matrix,
> > but the matrix object is modified for the method det() of linalg
> >
> > A little piece of with example..
> >
> > CODE
> >
> > #!/usr/bin/env python
> > # coding: latin-1
> >
> > # Modules import
> > from numarray import *
> > from scipy.linalg import *
> >
> > ar = array([[4.0, -2.0, 1.0], \
> > [-2.0, 4.0, -2.0], \
> > [1.0, -2.0, 3.0]])
> > print 'Before det() ar = \n', ar
> >
> > print det(ar) # Get
> > determinant of ar
> > print 'After det() ar = \n', ar
> >
> > END CODE
> >
> >
> > ON SCREEN
> >
> > Before det() ar =
> > [[ 4. -2. 1.]
> > [-2. 4. -2.]
> > [ 1. -2. 3.]]
> > After det() ar =
> > [[ 4. -0.5 0.25]
> > [-2. 3. -0.5 ]
> > [ 1. -1.5 2. ]]
> >
> > END OUTPUT
> >
> > Please, help me to know what i'm doing wrong.
> >
> > Thank you in advance
> >
> >
> >
> > _______________________________________________
> > SciPy-user mailing list
> > SciPy-user at scipy.org
> > http://projects.scipy.org/mailman/listinfo/scipy-user
> >
> >
>
>
> --
> Lorenzo Bolla
> lbolla at gmail.com
> http://lorenzobolla.emurse.com/
--
Lorenzo Bolla
lbolla at gmail.com
http://lorenzobolla.emurse.com/
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