谱半径
矩阵谱半径
定义
设A是n × n矩阵，λ1, ..., λn是其特征值，則A的谱半径ρ(A)定義如下：
ρ(A)=max{|λ1|,⋯,|λn|}.{displaystyle rho (A)=max left{|lambda _{1}|,cdots ,|lambda _{n}|right}.}
即矩阵A的谱半径等于矩阵A的特征值绝对值的最大值。
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Solomon Mikhlin
Solomon Grigor'evich Mikhlin Solomon Grigor'evich Mikhlin Born 23 April 1908 Kholmech, Minsk Governorate, Russian Empire Died 29 August 1990 (1990-08-29) (aged 82) [1] Saint Petersburg (former Leningrad) Nationality Soviet Alma mater Leningrad University (1929) Known for Elasticity theory singular integrals numerical analysis Awards Order of the Badge of Honour (1961) Laurea honoris causa by the Karl-Marx-Stadt Polytechnic (1968) Membership of the German Academy of Sciences Leopoldina (1970) Membership of the Accademia Nazionale dei Lincei (1981) Scientific career Fields Mathematics and mechanics Institutions Seismological Institute of the USSR Academy of Sciences (1932–1941) Kazakh University in Alma Ata (1941–1944) Leningrad University (now Saint Petersburg State University) (1944–1990) Academic advisors Vladimir Smirnov, Leningrad University, master thesis Doctoral students see the teaching ac...
