feat: add Permutation and Combination

2026-02-09 15:12:26 +08:00 · 2024-11-19 10:12:07 +08:00
parent 8322951475
commit 95a894e53f
3 changed files with 108 additions and 6 deletions
--- a/mathutil/mathutil_exmaple_test.go
+++ b/mathutil/mathutil_exmaple_test.go
@@ -502,3 +502,27 @@ func ExampleStdDev() {
 	// 1.41
 	// 1.55
 }
+
+func ExamplePermutation() {
+	result1 := Permutation(5, 3)
+	result2 := Permutation(5, 5)
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+
+	// Output:
+	// 60
+	// 120
+}
+
+func ExampleCombination() {
+	result1 := Combination(5, 3)
+	result2 := Combination(5, 5)
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+
+	// Output:
+	// 10
+	// 1
+}