Sean Owen created MATH-1044:
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Summary: Clarify and fix javadoc of
DecompositionSolver.getInverse() and implementations
Key: MATH-1044
URL: https://issues.apache.org/jira/browse/MATH-1044
Project: Commons Math
Issue Type: Improvement
Affects Versions: 3.2
Reporter: Sean Owen
Priority: Minor
As suggested by Phil on the mailing list, I'm providing a patch to the javadoc
of DecompositionSolver.getInverse() to clarify what it does. It also correctly
moves the "@throws SingularMatrixException" to implementations that do throw
this exception; not all do.
Tests already cover most of the behavior asserted by the documentation. I added
one to show that the SVD does not reject singular matrices. There should be a
test for EigenDecomposition here too, but in the course of adding it I found
another apparent small bug in its behavior with singular matrices. So I will
provide that separately (it actually involves no doc changes, and docs are the
topic here.)
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