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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2511.12855 |
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| _version_ | 1866917168315105280 |
|---|---|
| author | Stromberg, Marc |
| author_facet | Stromberg, Marc |
| contents | Explicit details are presented for calculation of $A^+B$, $A^+AB$ and $AA^+B$ where $A_{m\times n}$ is any nonzero matrix, $A^+$ is the Moore-Penrose pseudoinverse of $A$ and $B$ is any matrix of appropriate dimensions, where the quantities in question are found using only the storage originally allocated to the matrices $A$ and $B$ (together with some simple one dimensional indexing arrays). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_12855 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Compact Schemes for $A^+B$, $A^+AB$ and $AA^+B$ Stromberg, Marc Numerical Analysis Explicit details are presented for calculation of $A^+B$, $A^+AB$ and $AA^+B$ where $A_{m\times n}$ is any nonzero matrix, $A^+$ is the Moore-Penrose pseudoinverse of $A$ and $B$ is any matrix of appropriate dimensions, where the quantities in question are found using only the storage originally allocated to the matrices $A$ and $B$ (together with some simple one dimensional indexing arrays). |
| title | Compact Schemes for $A^+B$, $A^+AB$ and $AA^+B$ |
| topic | Numerical Analysis |
| url | https://arxiv.org/abs/2511.12855 |