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Simple integral wrong


Try integrating | cos u| from u=0 to u = Pi x. Despite the integrand
being everywhere
non-negative, Mathematica 4 gives a result which jumps DOWNWARDS by 2 at

x=1/2, 3/2, 5/2, .... I thought these simple integration errors had been
sorted out by
Wolfram years ago!

Paul Cally

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|Assoc Prof Paul Cally            |    Ph:  +61 3 9905-4471                |
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