On Thu, Feb 5, 2009 at 6:57 PM, chu-ching huang cchu...@mail.cgu.edu.tw wrote:
Just rebuild sympy-git source and test the following:
from sympy import *
a=DeferredVector('a')
b=DeferredVector('b')
n=10
A=eye(11)
a=Matrix(1,n,lambda i,j: 'a%g' %j)
b=Matrix(1,n,lambda i,j: 'b%g' %j)
Just rebuild sympy-git source and test the following:
from sympy import *
a=DeferredVector('a')
b=DeferredVector('b')
n=10
A=eye(11)
a=Matrix(1,n,lambda i,j: 'a%g' %j)
b=Matrix(1,n,lambda i,j: 'b%g' %j)
A[0,1:]=a
A[1:,0]=b.transpose()
A.det()
and it shows the right answer:
1 - a0*b0 - a1*b1 -
On Wed, Feb 04, 2009 at 07:12:54AM -0800, chu-ching huang wrote:
Hi,
Maybe this had been discussed:
how to define a sequence of variables (by symbols), {x_1,x_2,---,x_n}
in case n is also a variable?
Do you want this:
In [1]: var('x_1 x_2 x_n')
Out[1]: (x_1, x_2, x_n)
In [2]: x_1 +
On Wed, Feb 4, 2009 at 4:27 PM, Friedrich Hagedorn friedric...@gmx.dewrote:
On Wed, Feb 04, 2009 at 07:12:54AM -0800, chu-ching huang wrote:
Hi,
Maybe this had been discussed:
how to define a sequence of variables (by symbols), {x_1,x_2,---,x_n}
in case n is also a variable?
Do
