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0714c7cbe6
Introducing a "LazyUnweightedEvaluation": the computation of the model and Jacobian are deferred until one or the other is actually accessed. Class "LocalMultivariateJacobianFunction" replaces the anonymous class that was created when calling the "model" method. The "evaluate" method of "LocalLeastSquaresProblem" instantiates either "UnweightedEvaluation" or "LazyUnweightedEvaluation", as requested by the user of the "create" factory method. git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1603219 13f79535-47bb-0310-9956-ffa450edef68