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MathGroup Archive 2007

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Returning rules from functions inside a package context

  • To: mathgroup at smc.vnet.net
  • Subject: [mg82378] Returning rules from functions inside a package context
  • From: Art <grenander at gmail.com>
  • Date: Fri, 19 Oct 2007 04:50:56 -0400 (EDT)

The following question has been asked and answered in a variety of
ways in this forum, but I am new to Mathematica and am still not sure what is
best practice after doing Trace of various trivial statements for the
past few hours.

For example, I would like f[] below to return {a->1.}, not
{A`Private`a->1.}.

BeginPackage["A`"]
f::usage = ""
Begin["`Private`"]

f[] := FindFit[{{0, 0}, {1, 1}}, a x, {a}, x]

End[]

EndPackage[]

The use of Rule[] in different scoping constructs is confusing.

Thanks.



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