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hw
Mar 20, 2014, 7:55:15 PM3/20/14
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I've defined some matrices with some variables using
a,b,c,d = var('a','b','c','d')
M=matrix(SR, [[a,b],[c,d]])
...
and manipulated them. Now I'd like to evaluate the result e.g. by setting a=0
Dima Pasechnik
Mar 21, 2014, 10:24:16 AM3/21/14
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sage: M=matrix(SR, [[a,b],[c,d]])
sage: M.substitute(a=0,b=a-b)
[ 0 a - b]
[ c d]
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