Wrong weight handling in Levenberg-Marquardt
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Key: MATH-406
URL: https://issues.apache.org/jira/browse/MATH-406
Project: Commons Math
Issue Type: Bug
Affects Versions: 2.1
Reporter: Dimitri Pourbaix
Assignee: Dimitri Pourbaix
Fix For: Nightly Builds
A comparison with a Fortran version of Levenberg-Marquardt reveals that when
observations have different weights, the 2.1 version reaches a value of the
function which does not necessary correspond to the minimum
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