def test_simple3(self):
"""example with 2 triangles and 1 edge"""
simplices = [ array([[0],[1],[2],[3],[4]]),
array([[0, 1],
[0, 2],
[0, 3],
[1, 2],
[2, 3],
[2, 4]]),
array([[0, 1, 2],
[0, 2, 3]]) ]
expected = [ array([[ 0, 0, 0, 0, 0]]),
array([[-1,-1,-1, 0, 0, 0],
[ 1, 0, 0,-1, 0, 0],
[ 0, 1, 0, 1,-1,-1],
[ 0, 0, 1, 0, 1, 0],
[ 0, 0, 0, 0, 0, 1]]),
array([[ 1, 0],
[-1, 1],
[ 0,-1],
[ 1, 0],
[ 0, 1],
[ 0, 0]]) ]
result = rips_chain_complex( simplices )
for r,e in zip(result,expected):
assert_equal(r.todense(),e)
def test_simple1(self):
"""example with 1 edge and 1 point"""
simplices = [array([[0], [1], [2]]), array([[0, 2]])]
expected = [matrix([[0, 0, 0]]), matrix([[-1], [0], [1]])]
result = rips_chain_complex(simplices)
for r, e in zip(result, expected):
assert_equal(r.todense(), e)
def test_simple1(self):
"""example with 1 edge and 1 point"""
simplices = [ array([[0],[1],[2]]),
array([[0,2]]) ]
expected = [ matrix([[0,0,0]]),
matrix([[-1],[ 0],[ 1]]) ]
result = rips_chain_complex(simplices)
for r,e in zip(result,expected):
assert_equal(r.todense(),e)
def test_simple2(self):
"""example with 1 triangle"""
simplices = [ array([[0],[1],[2]]),
array([[0,1],[0,2],[1,2]]),
array([[0,1,2]]) ]
expected = [ matrix([[0,0,0]]),
matrix([[-1,-1, 0],
[ 1, 0,-1],
[ 0, 1, 1]]),
matrix([[ 1],[-1],[ 1]]) ]
result = rips_chain_complex(simplices)
for r,e in zip(result,expected):
assert_equal(r.todense(),e)
def test_simple2(self):
"""example with 1 triangle"""
simplices = [
array([[0], [1], [2]]),
array([[0, 1], [0, 2], [1, 2]]),
array([[0, 1, 2]])
]
expected = [
matrix([[0, 0, 0]]),
matrix([[-1, -1, 0], [1, 0, -1], [0, 1, 1]]),
matrix([[1], [-1], [1]])
]
result = rips_chain_complex(simplices)
for r, e in zip(result, expected):
assert_equal(r.todense(), e)
def test_simple3(self):
"""example with 2 triangles and 1 edge"""
simplices = [
array([[0], [1], [2], [3], [4]]),
array([[0, 1], [0, 2], [0, 3], [1, 2], [2, 3], [2, 4]]),
array([[0, 1, 2], [0, 2, 3]])
]
expected = [
array([[0, 0, 0, 0, 0]]),
array([[-1, -1, -1, 0, 0, 0], [1, 0, 0, -1, 0, 0],
[0, 1, 0, 1, -1, -1], [0, 0, 1, 0, 1, 0],
[0, 0, 0, 0, 0, 1]]),
array([[1, 0], [-1, 1], [0, -1], [1, 0], [0, 1], [0, 0]])
]
result = rips_chain_complex(simplices)
for r, e in zip(result, expected):
assert_equal(r.todense(), e)
