diff options
Diffstat (limited to 'src/Rips_complex/doc/Intro_rips_complex.h')
-rw-r--r-- | src/Rips_complex/doc/Intro_rips_complex.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/Rips_complex/doc/Intro_rips_complex.h b/src/Rips_complex/doc/Intro_rips_complex.h index 1aac804b..1d8cd2ba 100644 --- a/src/Rips_complex/doc/Intro_rips_complex.h +++ b/src/Rips_complex/doc/Intro_rips_complex.h @@ -99,10 +99,13 @@ namespace rips_complex { * \cite cavanna15geometric, and in a video \cite cavanna15visualizing. * * The interface of `Sparse_rips_complex` is similar to the one for the usual - * `Rips_complex`, except that one has to specify the approximation factor, and - * there is no option to limit the maximum filtration value (the way the - * approximation is done means that larger filtration values are much cheaper - * to handle than low filtration values, so the gain would be too small). + * `Rips_complex`, except that one has to specify the approximation factor. + * There is an option to limit the minimum and maximum filtration values, but + * they are not recommended: the way the approximation is done means that + * larger filtration values are much cheaper to handle than low filtration + * values, so the gain in ignoring the large ones is small, and + * `Gudhi::subsampling::sparsify_point_set()` is a more efficient way of + * ignoring small filtration values. * * Theoretical guarantees are only available for \f$\epsilon<1\f$. The * construction accepts larger values of ε, and the size of the complex |