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2011-11-10 05:36:58 -0600 | answered a question | Row echelon form of a matrix containing symbolic expresssions |

2011-10-13 07:35:59 -0600 | answered a question | Solve large system of linear equations over GF(2) Hi, 20,000 x 20,000 is not large and you should be able to do it in a few seconds on a modern CPU: However, Sage doesn't expose the fast code we have for this in M4RI:, cf. That's why it's not as fast as it should be. Sorry, we should fix this. |

2011-01-14 03:25:59 -0600 | received badge | ● Good Answer (source) |

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2011-01-13 04:27:31 -0600 | answered a question | Quotient decomposition by Groebner basis Do you mean this? |

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