Platform: Mac OS X 10.6.7, MacPorts Octave version: 3.2.4 Octave-specfun version: 1.0.8
To replicate: x = linspace(-500,500,2048); plot(x, Si(x)); Observe the anomalous behavior starting around roughly |x|=200. The Si(x) function should not drop off like that; it should continue oscillating asymptotically about +/- pi/2 as x approaches +/- infinity. Reference: http://www.wolframalpha.com/input/?i=+Si%28x%29+from+-500+to+500
octave_incorrect_sinint.pdf
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