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-rw-r--r--src/python/gudhi/simplex_tree.pyx2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/python/gudhi/simplex_tree.pyx b/src/python/gudhi/simplex_tree.pyx
index c671da56..813dc5c2 100644
--- a/src/python/gudhi/simplex_tree.pyx
+++ b/src/python/gudhi/simplex_tree.pyx
@@ -287,6 +287,8 @@ cdef class SimplexTree:
def get_boundaries(self, simplex):
"""This function returns a generator with the boundaries of a given N-simplex.
+ If you do not need the filtration values, the boundary can also be obtained as
+ :code:`itertools.combinations(simplex,len(simplex)-1)`.
:param simplex: The N-simplex, represented by a list of vertex.
:type simplex: list of int.