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2012-01-26 01:32:53 -0500 | marked best answer | Finding short vectors kernel Just write M.LLL() instead of M.lll() |

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2012-01-18 23:20:02 -0500 | marked best answer | Explicit representation of element of ideal I think you want the .lift() method: |

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2012-01-17 12:40:59 -0500 | asked a question | Explicit representation of element of ideal So there exist \alpha, \beta in P with <latex>\alpha C1 + \beta C2 = x^4+y^4+z^4-18*t^4</latex> What's the command to find \alpha and \beta explicitly ? |

2012-01-17 00:03:41 -0500 | commented answer | Finding short vectors kernel Ah yes, thanks! |

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2012-01-16 23:59:06 -0500 | asked a question | memory leak when doing lots of ideal tests I'm trying to find elliptic curves lying on a quartic surface; there are probably clever ways to do this, but at the moment I am finding lots of quadrics through an integer point on the surface, then iterating over pairs of them and checking
This leaks about 2MB memory per second, presumably because the Groebner bases for the ideals are being cached; is there a way to tell sage not to cache them? |

2012-01-13 10:39:28 -0500 | asked a question | Finding short vectors kernel I am looking for quadratic forms with a given point - so I want short integer vectors which are perpendicular to for (in this case) [X,Y,Z,T]=[4423,7583,8765,3459] This sounds like a problem with LLL written all over it, so I do but this gives an error message AttributeError: 'sage.matrix.matrix_integer_dense.Matrix_integer_dense' object has no attribute 'lll' |

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