Inverting graphs of rectangular matrices
โ Scribed by Harvey J. Greenberg; J.Richard Lundgren; John S. Maybee
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 632 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0166-218X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Finite dimensional matrices with more columns than rows have no left inverses while those with more rows than columns have no right inverses. We give generalizations of these simple facts to bi-infinite matrices. Our results are then used to obtain density results for p-frames of time-frequency mole
Consider the problem of sparsifying a rectangular matrix with more columns than rows. This means forming linear combinations of the rows, while preserving the rank, such that the result contains as many zero entries as possible. A combinatorial search method is presented which sparsifies a matrix wi