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diff --git a/example/Persistent_cohomology/README b/example/Persistent_cohomology/README deleted file mode 100644 index f39d9584..00000000 --- a/example/Persistent_cohomology/README +++ /dev/null @@ -1,67 +0,0 @@ -To build the examples, run in a Terminal: - -cd /path-to-examples/ -cmake . -make - -*********************************************************************************************************************** -Example of use of RIPS: - -Computation of the persistent homology with Z/2Z and Z/3Z coefficients simultaneously of the Rips complex -on points sampling a 3D torus: - -./rips_multifield_persistence ../../data/points/tore3D_1307.off -r 0.25 -m 0.12 -d 3 -p 2 -q 3 - -output: -6 0 0 inf -6 1 0.0983494 inf -6 1 0.104347 inf -6 2 0.138335 inf -6 0 0 0.122545 -6 0 0 0.121171 -6 0 0 0.120964 -6 0 0 0.12057 -6 0 0 0.12047 -6 0 0 0.120414 - -Every line is of this format: p1*...*pr dim b d -where - p1*...*pr is the product of prime numbers pi such that the homology feature exists in homology with Z/piZ coefficients. - dim is the dimension of the homological feature, - b and d are respectively the birth and death of the feature and - -and the computation with all Z/pZ for 2 <= p <= 71 (20 first prime numbers): - - ./rips_multifield_persistence ../../data/points/Kl.off -r 0.25 -m 0.5 -d 3 -p 2 -q 71 - -output: -557940830126698960967415390 0 0 inf -557940830126698960967415390 1 0.0983494 inf -557940830126698960967415390 1 0.104347 inf -557940830126698960967415390 2 0.138335 inf -557940830126698960967415390 0 0 0.122545 -557940830126698960967415390 0 0 0.121171 -557940830126698960967415390 0 0 0.120964 -557940830126698960967415390 0 0 0.12057 -557940830126698960967415390 0 0 0.12047 -557940830126698960967415390 0 0 0.120414 - -*********************************************************************************************************************** -Example of use of PLAIN HOMOLOGY: - -This example computes the plain homology of the following simplicial complex without filtration values: - /* Complex to build. */ - /* 1 3 */ - /* o---o */ - /* /X\ / */ - /* o---o o */ - /* 2 0 4 */ - -./plain_homology - -output: -2 0 0 inf -2 0 0 inf -2 1 0 inf - -Here we retrieve the 2 entities {0,1,2,3} and {4} (Betti numbers[0] = 2) and the hole in {0,1,3} (Betti numbers[1] = 1) |