Norm of the north 5. In case of the Euclidian norm $|x|_2$ the operator norm is equivalent to the 2-matrix norm (the maximum singular value, as you already stated). I am Jan 24, 2013 · In number theory, the "norm" is the determinant of this matrix. The operator norm is a matrix/operator norm associated with a vector norm. Feb 6, 2021 · I am not a mathematics student but somehow have to know about L1 and L2 norms. ) However, the area/volume interpretation only gets you so far. It is defined as $||A||_ {\text {OP}} = \text {sup}_ {x \neq 0} \frac {|A x|_n} {|x|}$ and different for each vector norm. I am 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 function that has a zero 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 function that has a zero discrete Sobolev norm. Intuitively, you can think of it as the maximum 'scale', by which the matrix can 'stretch' a vector. Feb 6, 2021 · I am not a mathematics student but somehow have to know about L1 and L2 norms.
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