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Re: Mathematica 7 - Miscellaneous`RealOnly`


lwapner2 at gmail.com wrote:
> The above package no longer exists in Mathematica 7 and must be
> downloaded.  Then to use the feature it seems there must be additional
> code entered to turn off certain warnings.  It's an annoyance.  When
> graphing functions such as f(x) = x^(1/3) is there a workaround to get
> the full graph, -inf<x<inf?
> 

f[x_] = Sign[x] Abs[x]^(1/3)

Plot[f[x], {x, -10, 10}]


And for x^(2/3):

g[x_] = Abs[x]^(2/3)

--
Helen Read
University of Vermont


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