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Maxima 5.5 on Windows
limit(x*atan(x)/(x+1),x,inf) => %i * log(-1)/2 NO!
tlimit correctly gets %pi/2.
limit(x*atan(x)-log(x),x,inf) => minf NO!
tlimit correctly gets inf
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Maxima 5.5 on Windows
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Another interesting case:
expr: x*(atan(x)-%pi/2)
limit(expr,x,inf) => minf NO!
tlimit(expr,x,inf) => -1 OK!
Maxima 5.9.0
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The first two limits now give the correct answers.
However, the limit of x*(atan(x)-%pi/2) is returned
unevaluated. Not very good, but certainly better than minf.
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Not observed in 5.9.3 or 5.9.3cvs. Closing this report as fixed.
However for a couple of the examples tlimit gives an
incorrect result. Bug report # 1515712 opened for that.
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