#10062: With imag, sqrt and subs I get 0==1
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Reporter: fmaltey | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone:
Component: calculus | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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I use Sage 4.5.3
{{{
var('m') ; y=sqrt(m^2-1)
y(m=0) # =I, is right
imag(y) # =.... feels right, arctan2(0,-1)=pi when m=0
imag(y(m=0)) # =1, is right
(imag(y))(m=0) # is 0 and I don't understand why !
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10062>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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