I am trying to create the set of 3x3 matrices which have entries in the set
[0,1,-1]
The simple way to do that would be to create 9 nested loops and run over
all the possibilities.
One hopefully better way I could think of doing is possibly this,
from itertools import product
from itertools import izip
A = [(0,0),(0,1),(0,2),(1,0),(1,1),(1,2),(2,0),(2,1),(2,2)]
for a in product([0,1,-1], repeat = 9):
B = izip (A,a)
I believe this "B" of mine encodes the matrix as a list of assignments as
to which matrix entry has gotten which element of the list [0,1,-1]
But I am not able to convert this B into something that actually is a
matrix?
(so that I can say take eigenvalues of it)
Can someone help?
Also I am running things on the cloud.sage
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