The package solves linear system of equations Ax=b by using Preconditioned Conjugate Gradient Algorithm where A is real symmetric positive definite matrix. A suitable preconditioner matrix may be provided by user. This can also be used to minimize quadratic function (x'Ax)/2-bx for unknown x.

Author | B N Mandal <mandal.stat@gmail.com> and Jun Ma <jun.ma@mq.edu.au> |

Date of publication | 2014-04-03 05:57:28 |

Maintainer | B N Mandal <mandal.stat@gmail.com> |

License | GPL (>= 2) |

Version | 1.1 |

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