ASKSAGE: Sage Q&A Forum - RSS feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Thu, 07 Mar 2013 16:13:12 +0100Finding the dual basis of a space of rational functions?https://ask.sagemath.org/question/9893/finding-the-dual-basis-of-a-space-of-rational-functions/I am trying to calculate the algebraic geometry codes (Function codes and Residue Code) for a given divisor. For calculating the function codes, sage directly provides a way to calculate the Riemann Roch Basis (they are rational functions). But, I need an explicit basis for the Residue code too (which is the dual of the function code).
So, essentially, when a basis (in terms of rational functions) is given, is there a way in sage to find the dual basis?Thu, 07 Mar 2013 16:13:12 +0100https://ask.sagemath.org/question/9893/finding-the-dual-basis-of-a-space-of-rational-functions/