# The bindings-levmar package

See the `levmar`

package for a high-level wrapper
around this package.

The Levenberg-Marquardt algorithm is an iterative technique that finds a local minimum of a function that is expressed as the sum of squares of nonlinear functions. It has become a standard technique for nonlinear least-squares problems and can be thought of as a combination of steepest descent and the Gauss-Newton method. When the current solution is far from the correct one, the algorithm behaves like a steepest descent method: slow, but guaranteed to converge. When the current solution is close to the correct solution, it becomes a Gauss-Newton method.

Both unconstrained and constrained (under linear equations and box constraints) Levenberg-Marquardt variants are included. All functions have Double and Float variants.

See: http://www.ics.forth.gr/~lourakis/levmar/

Note that the included C library is lightly patched to
make it pure. This way the functions can be used inside
`unsafePerformIO`

.

A note regarding the license:

All files EXCEPT those in the levmar-2.4 directory fall under the BSD3 license. The levmar C library, which is bundled with this binding, falls under the GPL. If you build a program which is linked with this binding then it is also linked with levmar. This means such a program can only by distributed under the terms of the GPL.

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## Properties

Versions | 0.1, 0.1.0.1, 0.1.1, 0.1.1.1, 0.2.0.1, 1.0, 1.0.0.1, 1.0.0.2, 1.1, 1.1.0.1, 1.1.0.2, 1.1.0.3, 1.1.0.4 |
---|---|

Dependencies | base (>=3 && <4.4), bindings-DSL (>=1.0.2 && <1.1) [details] |

License | OtherLicense |

Copyright | (c) 2009-2010 Roel van Dijk & Bas van Dijk |

Author | Roel van Dijk & Bas van Dijk |

Maintainer | vandijk.roel@gmail.com, v.dijk.bas@gmail.com |

Category | Numerical, FFI |

Home page | https://github.com/basvandijk/bindings-levmar/ |

Bug tracker | https://github.com/basvandijk/bindings-levmar/issues |

Source repository | head: git clone git://github.com/basvandijk/bindings-levmar.git |

Uploaded | Wed May 18 08:20:28 UTC 2011 by BasVanDijk |

Distributions | NixOS:1.1.0.4 |

Downloads | 3024 total (25 in the last 30 days) |

Rating | 0.0 (0 ratings) [clear rating] |

Status | Docs uploaded by user Build status unknown [no reports yet] Hackage Matrix CI |

## Flags

Name | Description | Default | Type |
---|---|---|---|

mkl | Link with Intel's MKL optimized libraries. | Disabled | Automatic |

accelerate | Use the accelerate framework for LAPACK/BLAS on OS X | Disabled | Automatic |

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

## Downloads

- bindings-levmar-1.0.tar.gz [browse] (Cabal source package)
- Package description (included in the package)