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A Note on Classes of Structured Matrices with Elliptical Type Numerical Range
Czechoslovak Mathematical Journal ( IF 0.4 ) Pub Date : 2021-02-03 , DOI: 10.21136/cmj.2021.0174-20 Natália Bebiano , Susana Furtado
中文翻译:
关于椭圆型数值范围的结构矩阵的类的一个注记
更新日期:2021-02-24
Czechoslovak Mathematical Journal ( IF 0.4 ) Pub Date : 2021-02-03 , DOI: 10.21136/cmj.2021.0174-20 Natália Bebiano , Susana Furtado
We identify new classes of structured matrices whose numerical range is of the elliptical type, that is, an elliptical disk or the convex hull of elliptical disks.
中文翻译:
关于椭圆型数值范围的结构矩阵的类的一个注记
我们确定了其数值范围为椭圆类型的新的结构化矩阵类别,即椭圆盘或椭圆盘的凸包。