#8603: Partial sums are off for Fourier series of piecewise functions
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Reporter: novoselt | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-5.0
Component: calculus | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Doing
{{{
f = Piecewise([[(-pi, pi), x]])
print f.fourier_series_partial_sum(2, pi)
print f.fourier_series_partial_sum(3, pi)
}}}
we get
{{{
2*sin(x)
-sin(2*x) + 2*sin(x)
}}}
while according to the documentation we should get the second output with
the first command.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8603>
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