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# Cubical complex#
## cubical_complex_persistence ##
This program computes persistent homology, by using the Bitmap_cubical_complex class, of cubical complexes provided in text files in Perseus style.
See [here](/doc/latest/fileformats.html#FileFormatsPerseus) for a description of the file format.
**Example**
```
cubical_complex_persistence data/bitmap/CubicalTwoSphere.txt
```
* Creates a Cubical Complex from the Perseus style file `CubicalTwoSphere.txt`,
computes Persistence cohomology from it and writes the results in a persistence file `CubicalTwoSphere.txt_persistence`.
## periodic_cubical_complex_persistence ##
Same as above, but with periodic boundary conditions.
**Example**
```
periodic_cubical_complex_persistence data/bitmap/3d_torus.txt
```
* Creates a Periodical Cubical Complex from the Perseus style file `3d_torus.txt`,
computes Persistence cohomology from it and writes the results in a persistence file `3d_torus.txt_persistence`.
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