
Understanding L1 and L2 norms - Mathematics Stack Exchange
Feb 6, 2021 · I am not a mathematics student but somehow have to know about L1 and L2 norms. I am looking for some appropriate sources to learn these things and know they work and what are their …
What is the norm of a complex number? [duplicate]
Jan 24, 2013 · In number theory, the "norm" is the determinant of this matrix. In that sense, unlike in analysis, the norm can be thought of as an area rather than a length, because the determinant can …
What is the difference between the Frobenius norm and the 2-norm of …
For example, in matlab, norm (A,2) gives you induced 2-norm, which they simply call the 2-norm. So in that sense, the answer to your question is that the (induced) matrix 2-norm is $\le$ than Frobenius …
Meaning of the spectral norm of a matrix - Mathematics Stack Exchange
Aug 21, 2018 · The spectral norm (also know as Induced 2-norm) is the maximum singular value of a matrix. Intuitively, you can think of it as the maximum 'scale', by which the matrix can 'stretch' a …
Definition of an induced matrix norm. - Mathematics Stack Exchange
Feb 23, 2015 · Definition of an induced matrix norm. Ask Question Asked 11 years, 1 month ago Modified 2 years, 11 months ago
Expansion of squared L2 norm - Mathematics Stack Exchange
Jul 5, 2024 · Are you sure it holds when there’s no norm? The right hand side of your second “equality” is a scalar.
Definition of $L_\infty$ norm - Mathematics Stack Exchange
Jul 7, 2014 · Definition of $L_\infty$ norm Ask Question Asked 11 years, 9 months ago Modified 8 years, 8 months ago
functional analysis - The sampling way of discrete Sobolev norm ...
Feb 10, 2026 · Yes, as indicated by daw, because your discrete Sobolev norm only includes the values of the function evaluated at the discrete mesh points, it is always possible to construct a nonzero …
normed spaces - Simple explanation of uniform norm / sup-norm ...
Dec 17, 2017 · I've read the Uniform Norm Wikipedia page, but my most of it went over my head. What is the sup-norm in simple and / or intuitive terms? Are there any good examples which illustrate it?
Estimate norm of convolution operator - Mathematics Stack Exchange
Mar 2, 2024 · Not exactly, sorry. I already know it is bounded, all is left is to find/estimate the operator norm more closely