All,
Using version from lzma:
sage-5.7-linux-64bit-ubuntu_12.04.2_lts-x86_64-Linux
Sage doesn't remove absolute values from squared (even numbered powers)
variables. Example:
var ('l', domain=real)
x = (abs(2*l))^2
print x
x = x.full_simplify()
print x
Output:
abs(2*l)^2
4*abs(l)^2
Although this example is trivial, it makes more complicated solutions appear
larger than they should when simplified.
Example 2:
var ('t', 'a')
x = 1/(sqrt(abs(a*sin(t))^2 + a*abs(cos(t))^2))
x = x.full_simplify()
print x
y = 1/( sqrt( (a*sin(t))^2 + (a*cos(t))^2 ) )
y = y.full_simplify()
print(y)
Output ex2:
1/sqrt(abs(a)^2*abs(sin(t))^2 + a*abs(cos(t))^2)
1/a
Thanks,
Squared
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