If I do
var('a')
assume(a, 'real')
I would like to have the imaginary part returned as zero. However
imag(a)
returns imag(a), as though it is a symbol, I believe, because
typing imag(a) returns <type 'sage.symbolic.expression.Expression'>.
To be consistent with the assumption, though, I think that iimag(a)
should return zero.
Can anyone comment?
Jeff Webb
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