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Re: Mathematica and Lisp
Posted:
Mar 6, 2013 5:54 AM


Reverse the order of what? ArcTan of one argument has only one argument and how can that be reversed? What has two arguments is the coordinate specification {x, y} and they are not reversed in ArcTan[x, y].
It is the one argument form ArcTan[y/x] that seems poorly designed and would probably only be used when one knows the quotient and not x and y  so there wouldn't be anything to reverse.
David Park djmpark@comcast.net http://home.comcast.net/~djmpark/index.html
From: Richard Fateman [mailto:fateman@cs.berkeley.edu]
(simple example: why does Mathematica reverse the order of arguments to arctan of 2 args?)
RJf



