From 425b462d361286822ee0ed7b5fe00881ba312ea3 Mon Sep 17 00:00:00 2001 From: vrouvrea Date: Fri, 5 Dec 2014 13:32:54 +0000 Subject: Moved into trunk git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@341 636b058d-ea47-450e-bf9e-a15bfbe3eedb --- src/Persistent_cohomology/example/README | 47 ++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/Persistent_cohomology/example/README (limited to 'src/Persistent_cohomology/example/README') diff --git a/src/Persistent_cohomology/example/README b/src/Persistent_cohomology/example/README new file mode 100644 index 00000000..5dd34b85 --- /dev/null +++ b/src/Persistent_cohomology/example/README @@ -0,0 +1,47 @@ +To build the example, run in a Terminal: + +cd /path-to-example/ +cmake . +make + + +Example of use : + +Computation of the persistent homology with Z/2Z coefficients of the Rips complex on points +sampling a Klein bottle: + +./rips_persistence ../../../data/points/Kl.txt -r 0.25 -d 3 -p 2 -m 100 + +output: +210 0 0 inf +210 1 0.0702103 inf +2 1 0.0702103 inf +2 2 0.159992 inf + +with Z/3Z coefficients: + +./rips_persistence ../../../data/points/Kl.txt -r 0.25 -d 3 -p 3 -m 100 + +output: +3 0 0 inf +3 1 0.0702103 inf + +and the computation with Z/2Z and Z/3Z coefficients simultaneously: + +./rips_multifield_persistence ../../../data/points/Kl.txt -r 0.25 -d 3 -p 2 -q 3 -m 100 + +output: +6 0 0 inf +6 1 0.0702103 inf +2 1 0.0702103 inf +2 2 0.159992 inf + +and finally the computation with all Z/pZ for 2 <= p <= 71 (20 first prime numbers): + + ./rips_multifield_persistence ../../../data/points/Kl.txt -r 0.25 -d 3 -p 2 -q 71 -m 100 + +output: +557940830126698960967415390 0 0 inf +557940830126698960967415390 1 0.0702103 inf +2 1 0.0702103 inf +2 2 0.159992 inf -- cgit v1.2.3