[SciPy-user] I'm a newbie in Python ans SciPy... so i've a little question

lorenzo bolla lbolla@gmail....
Thu Jan 10 08:55:53 CST 2008


ops, I meant:

print S.det(ar)                                                     # Get
determinant of ar
sorry for the noise,
L.

On 1/10/08, lorenzo bolla <lbolla@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@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@scipy.org
> > http://projects.scipy.org/mailman/listinfo/scipy-user
> >
> >
>
>
> --
> Lorenzo Bolla
> lbolla@gmail.com
> http://lorenzobolla.emurse.com/




-- 
Lorenzo Bolla
lbolla@gmail.com
http://lorenzobolla.emurse.com/
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