basic namespace question, and access to BinarySearch
- To: mathgroup at smc.vnet.net
- Subject: [mg131596] basic namespace question, and access to BinarySearch
- From: Alan <alan.isaac at gmail.com>
- Date: Tue, 10 Sep 2013 03:33:47 -0400 (EDT)
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What is the proper way to get access to a package without adding that
package to $ContextPath? If I use Needs, the package name is added to
$ContextPath. (Of course I can remove items from $ContextPath.)
Motivations: 1. I would like a cleaner namespace, and I don't mind using
long names. 2. I would like to avoid the following warning when I want
access just to Combinatorica`BinarySearch.
General::compat: Combinatorica Graph and Permutations functionality has
been superseded by preloaded functionality. The package now being
loaded may conflict with this. Please see the Compatibility Guide for
1. Mathematiaca documentation currently suggests loading Combinatorica to get BinarySearch:
However if one does so, the above warning is given. It seems to me that
this arrangement is buggy. Is it?
2. I am surprised that BinarySearch is not in the Global context.
Am I overlooking similar functionality under another name?
The functionality I seek is the insertion point into a sorted
list that would maintain insertion order, ideally with left/right
option for when the inserted item matches a list item.
(See Pythons binary_search, for example.)
3. I see that a BinarySearch function is in the GeometricFunctions package,
which in turn is available by default. But I cannot find any related
documentation. What do I make of this arrangement?
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