Remove recurrent points on the main diagonal, and parallel diagonals, as specified by the window parameter.

1 | ```
theiler(S, tw)
``` |

`S` |
A binary matrix representing a recurrent plot |

`tw` |
The size of the theiler window. |

The default value of the window parameter is 0. A value of 1 would remove the points along the main diagonal. A value of 2 would remove the points along the main diagonal, as well as the point of the bands +|- 1 around it.

A sparse matrix with recurrent points removed as specified by the window parameter.

Moreno I. Coco (moreno.cocoi@gmail.com)

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