Gilles created MATH-887:
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Summary: "AbstractLeastSquares" cleanup
Key: MATH-887
URL: https://issues.apache.org/jira/browse/MATH-887
Project: Commons Math
Issue Type: Task
Affects Versions: 3.0
Reporter: Gilles
Assignee: Gilles
Priority: Minor
Fix For: 3.1, 4.0
Class "AbstractLeastSquares" (in package "o.a.c.m.optimization.general") has a
lot of "protected" fields that are modified by its subclasses (e.g.
"LevenbergMarquardt"). This decreases encapsulation which in turn makes the
code more difficult to understand and modify.
I propose to deprecate (in 3.1) and remove or make "private" (in 4.0) all
fields that could be hidden or should be modified through setter methods.
Part of the code could also be more readable (and self-documenting) by making
use of higher-level constructs such as "RealMatrix" rather than using explicit
loops.
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