Description Usage Arguments Value Author(s) References Examples

The input data is assumed to be a matrix. When algorithms of MWCAParams and CoupledMWCAParams are specified as "myCX", This function is called in MWCA and CoupledMWCA.

1 | ```
myCX(Xn, k)
``` |

`Xn` |
The input matrix which has N-rows and M-columns. |

`k` |
The rank parameter (k <= min(N,M)) |

The output matrix which has N-rows and k-columns.

Koki Tsuyuzaki

Petros Drineas et al., (2008). Relative-Error CUR Matrix Decompositions, *SIAM Journal on Matrix Analysis and Applications*, 30(2), 844-881.

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