#8942: failing calculation with limit
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Reporter: casamayou | Owner: burcin
Type: defect | Status: new
Priority: minor | Milestone: sage-4.4.2
Component: calculus | Keywords: limit
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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In all three calculations below, the first result is false, whereas in a
previous version of Sage, he returned Und what is the correct answer.
{{{
sage:f(x) = (cos(pi/4-x) - tan(x)) / (1 - sin(pi/4+x))
sage:limit(f(x), x = pi/4)
+Infinity
sage: limit(f(x), x = pi/4, dir='plus')
-Infinity
sage: limit(f(x), x = pi/4, dir='minus')
+Infinity
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8942>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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