#15763: Implement an inverse entropy function
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Reporter: ppurka | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.1
Component: coding theory | Keywords:
Merged in: | Authors: Punarbasu Purkayastha
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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This patch implements an inverse entropy function.
There is no nice expression for the inverse, so we resort to root finding.
For a value of `q` (the base of the logarithm), the function is strictly
increasing in the interval `[0, 1-1/q]` and hence has a unique value in
this interval.
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Ticket URL: <http://trac.sagemath.org/ticket/15763>
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