Uses of Class opennlp.tools.ml.maxent.quasinewton.LineSearch.LineSearchResult (Apache OpenNLP Tools 1.9.5 API)
Date: 2026-06-18

## Uses of Class
opennlp.tools.ml.maxent.quasinewton.LineSearch.LineSearchResult

- Packages that use LineSearch.LineSearchResult
  Package | Description
  --- | ---
  opennlp.tools.ml.maxent.quasinewton |

- - ### Uses of LineSearch.LineSearchResult in opennlp.tools.ml.maxent.quasinewton

    Methods in opennlp.tools.ml.maxent.quasinewton that return LineSearch.LineSearchResult
    Modifier and Type | Method and Description
    --- | ---
    `static LineSearch.LineSearchResult` | LineSearch.LineSearchResult.`getInitialObject(double valueAtX, double[] gradAtX, double[] x)` Initial linear search object.
    `static LineSearch.LineSearchResult` | LineSearch.LineSearchResult.`getInitialObject(double valueAtX, double[] gradAtX, double[] pseudoGradAtX, double[] x, double[] signX, int fctEvalCount)`
    `static LineSearch.LineSearchResult` | LineSearch.LineSearchResult.`getInitialObjectForL1(double valueAtX, double[] gradAtX, double[] pseudoGradAtX, double[] x)` Initial linear search object for L1-regularization.

    Methods in opennlp.tools.ml.maxent.quasinewton with parameters of type LineSearch.LineSearchResult
    Modifier and Type | Method and Description
    --- | ---
    `static void` | LineSearch.`doConstrainedLineSearch(Function function, double[] direction, LineSearch.LineSearchResult lsr, double l1Cost, double initialStepSize)` Constrained line search (see section 3.2 in the paper "Scalable Training of L1-Regularized Log-Linear Models", Andrew et al.
    `static void` | LineSearch.`doLineSearch(Function function, double[] direction, LineSearch.LineSearchResult lsr, double initialStepSize)` Backtracking line search (see Nocedal & Wright 2006, Numerical Optimization, p.

Copyright © 2026 The Apache Software Foundation. All rights reserved.