Recently, Uhlig [Numer. Algorithms, 52(3):335-353, 2009] proposed open questions about the ratios between the spectral norm, the numerical radius and the spectral radius of a square matrix. In this note, we provide some observations to answer these questions.
|Number of pages||4|
|Journal||World Academy of Science, Engineering and Technology|
|Publication status||Published - 1 Aug 2010|
|MoE publication type||A1 Journal article-refereed|
- Numerical radius
- Spectral norm
- Spectral radius