Changes in "HarmonicCoefficientsGuesser"
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Key: MATH-521
URL: https://issues.apache.org/jira/browse/MATH-521
Project: Commons Math
Issue Type: Improvement
Reporter: Gilles
Assignee: Gilles
Priority: Minor
Fix For: 3.0
(1) The "guess" method throws "OptimizationException" when the algorithm fails
to determine valid values for amplitude and angular frequency.
There are no test showing how such a situation can occur.
Moreover, since this procedure is used to provide an initial guess to an
optimizer, it is better to pick any values for those parameters (e.g. zero) and
let the optimizer proceed from that initial point.
(2) The class javadoc seems very thorough in explaining the algorithm, but is
quite unreadable in the source code, making it fairly useless for checking how
the code complies with the comments. I think that this explanation should go in
the user guide (and leave a mostly "plain text" outline of the algorithm,
referring to the guide for details). [Does the format of the user guide allow
such tricky (ASCII "art") constructs?]
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