Hey Colin, What you're running into here is the limited accuracy of floating point values... You'll likely find this happens a lot in python.. CPython, at least. (I know, as I do) I'm not sure, as I've never used it... but perhaps Numeric/Numpy handle this kinda stuff better (for accuracy's sake)
Cheers, --Brett col speed wrote:
Hi there, just a quick one. Is there a way to obtain cube roots in python? I have been trying: math.pow(n,1.0/3) This works with some, but with 64, for example I get: >>> pow(64,1.0/3) 3.9999999999999996 However: >>> 4**3 64 Any ideas? Thanks Colin ------------------------------------------------------------------------ _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
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