Ariel Pacetti on Thu, 11 Sep 2008 18:46:33 +0200

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qfrep of binary forms

Is there an easy way to compute the numbers represented by a binary quadratic form?

qfrem and qfminim do not accept a binary quadratic form (as output from Qfb) as input and there is no implemented routine to transform a binary quadratic form into a 2 by 2 matrix (the only solution I found is to compute Vec() and construct the matrix from this, although there maight be a better one).