Compressive Sampling: Sparse signal recovery utilities

Transform back multiple regression coefficients to unscaled regression coefficients Original question posed by Mark Seeto on the R mailing list.

1 | ```
scaleBack.lm(X, Y, betas.scaled)
``` |

`X,` |
unscaled design matrix without the intercept, m by n matrix |

`Y,` |
unscaled response, m by 1 matrix |

`betas.scaled,` |
coefficients vector of multiple regression, first term is the intercept |

2015-04-10

M.Suzen

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