In 1974. Cline, Plemmons and Worm showed that A† is a k-circulant matrix if and only if A is k-circulant with |k| = 1. However they left open the nature of A† when |k| ≠ 1. We present a simple derivation of the Moore-Penrose pseudoinverse of an arbitrary, square, k-circulant matrix.
All Science Journal Classification (ASJC) codes
- Algebra and Number Theory