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| author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2019-01-17 16:15:59 +0000 |
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| committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2019-01-17 16:15:59 +0000 |
| commit | 6b70186caa620f9cd734903db978b2117509f8b1 (patch) | |
| tree | cb2cd36bfbeb480a6e7d7580c48591aa4d9c5440 /src/Rips_complex/utilities/ripscomplex.md | |
| parent | a3b3e527f75ea05a7840ecf73f613f56c3c52273 (diff) | |
| parent | e105da964b96218459c8822816de36273f6cdf17 (diff) | |
Merge last trunk modifications
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/cubical_complex_small_fix@4062 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 495752e4da032e54a1a88adbcd030f526bc80a43
Diffstat (limited to 'src/Rips_complex/utilities/ripscomplex.md')
| -rw-r--r-- | src/Rips_complex/utilities/ripscomplex.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Rips_complex/utilities/ripscomplex.md b/src/Rips_complex/utilities/ripscomplex.md index 6df49310..108cdd50 100644 --- a/src/Rips_complex/utilities/ripscomplex.md +++ b/src/Rips_complex/utilities/ripscomplex.md @@ -85,7 +85,7 @@ properly, this is a known issue. ## sparse_rips_persistence ## This program computes the persistent homology with coefficient field *Z/pZ* -of a sparse (1+epsilon)-approximation of the Rips complex defined on a set of input Euclidean points. The output diagram contains one bar per line, written with the convention: +of a sparse (1+epsilon)/(1-epsilon)-approximation of the Rips complex defined on a set of input Euclidean points. The output diagram contains one bar per line, written with the convention: `p dim birth death` @@ -99,7 +99,7 @@ where `dim` is the dimension of the homological feature, `birth` and `death` are * `-h [ --help ]` Produce help message * `-o [ --output-file ]` Name of file in which the persistence diagram is written. Default print in standard output. -* `-e [ --approximation ]` (default = .5) Epsilon, where the sparse Rips complex is a (1+epsilon)-approximation of the Rips complex. +* `-e [ --approximation ]` (default = .5) Epsilon, where the sparse Rips complex is a (1+epsilon)/(1-epsilon)-approximation of the Rips complex. * `-d [ --cpx-dimension ]` (default = 1) Maximal dimension of the Rips complex we want to compute. * `-p [ --field-charac ]` (default = 11) Characteristic p of the coefficient field Z/pZ for computing homology. * `-m [ --min-persistence ]` (default = 0) Minimal lifetime of homology feature to be recorded. Enter a negative value to see zero length intervals. |