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.Tue, 20 Feb 2024 12:57:19 +0100Matrix norm using sup normhttps://ask.sagemath.org/question/76114/matrix-norm-using-sup-norm/ Hi all,
I want to make some modifications in the matrix norm. I'm trying to find $\sup_{x\neq0} \frac{\lVert Ax \rVert}{\lVert x \rVert}$
with different norms defined over denominator and numerator. As all other norms are defined I'm just curious about the source codes of them and also interested to see how to get the supremum or infimum in sage where $x\in V$ where V is a vector space.Tue, 20 Feb 2024 12:57:19 +0100https://ask.sagemath.org/question/76114/matrix-norm-using-sup-norm/