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#!/usr/bin/env python
import gudhi
"""This file is part of the Gudhi Library. The Gudhi library
(Geometric Understanding in Higher Dimensions) is a generic C++
library for computational topology.
Author(s): Marc Glisse
Copyright (C) 2016 Inria
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
__author__ = "Marc Glisse"
__copyright__ = "Copyright (C) 2016 Inria"
__license__ = "GPL v3"
print("#####################################################################")
print("RipsComplex creation from points")
rips = gudhi.RipsComplex(points=[[0, 0], [1, 0], [0, 1], [1, 1]],
max_edge_length=42)
simplex_tree = rips.create_simplex_tree(max_dimension=1)
diag = simplex_tree.persistence(homology_coeff_field=2, min_persistence=0)
print("diag=", diag)
pplot = gudhi.plot_persistence_diagram(diag)
pplot.show()
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