More combinatorica

Author: rocky

test/test_combinatorica.py

@@ -163,6 +163,11 @@ def test_combinatorica():
         #     "6   5   4   3   2   1\n",
         #     "Symmetric group S_n. S_n is not commutative. Page 17"
         # ),
+        (
+            "InversePermutation[{4,8,5,2,1,3,7,6}]",
+            "{5, 4, 6, 1, 3, 8, 7, 2}",
+            "InversePermutation: 7 is fixed point. Page 18",
+        ),
         (
             "KSubsets[Range[5], 3]",
             "{{1, 2, 3}, {1, 2, 4}, {1, 2, 5}, {1, 3, 4}, {1, 3, 5}, {1, 4, 5}, "