creating a more efficient groundset

thecaligarmo · Aug 2, 2023 · dfd655a · dfd655a
1 parent 5de5c7a
commit dfd655a
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/oriented_matroids/circuit_oriented_matroid.py b/oriented_matroids/circuit_oriented_matroid.py
@@ -102,9 +102,7 @@ def __init__(self, data, groundset=None, category=None):
             if len(data[0]) < 3:
                 groundset = []
                 for X in circuits:
-                    for el in X.groundset():
-                        if el not in groundset:
-                            groundset.append(el)
+                    groundset = list(set(groundset+X.groundset()))
             else:
                 groundset = circuits[0].groundset()
                 for X in circuits: