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## [Help-gsl] linear algebra doubt

**From**: |
Adhithya Ravichandran |

**Subject**: |
[Help-gsl] linear algebra doubt |

**Date**: |
Sat, 11 Oct 2008 06:46:36 +0530 (IST) |

Hi
I am using the linear algebra header for one of my simulations. I want to
invert a matrix and i tried using the gsl LU invert function for real numbers.
Whatever be the order of the square matrix , only the last two rows of the
output has valid numbers. the rest of it is either "nan" or "inf" which is
wrong.
Am I using the function in a wrong manner? I have been using a permutation
matrix which is the identity matrix. do i need to change it?
Adhithya
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**[Help-gsl] linear algebra doubt**,
*Adhithya Ravichandran* **<=**