- pseudospectrum
- псевдоспектр
English-Russian electronics dictionary .
pseudospectrum
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Pseudospectrum — In mathematics, the pseudospectrum of an operator is a set containing the spectrum of the operator and the numbers that are almost eigenvalues. Knowledge of the pseudospectrum can be particularly useful for understanding non normal operators and… … Wikipedia
Spectrum (functional analysis) — In functional analysis, the concept of the spectrum of a bounded operator is a generalisation of the concept of eigenvalues for matrices. Specifically, a complex number λ is said to be in the spectrum of a bounded linear operator T if… … Wikipedia
List of mathematics articles (P) — NOTOC P P = NP problem P adic analysis P adic number P adic order P compact group P group P² irreducible P Laplacian P matrix P rep P value P vector P y method Pacific Journal of Mathematics Package merge algorithm Packed storage matrix Packing… … Wikipedia
