chore: import upstream snapshot with attribution

2026-07-13 12:32:53 +08:00
commit 2a16f2f53b
247 changed files with 69150 additions and 0 deletions
@@ -0,0 +1,2 @@
+# Branches 0 and -1 of the Lambert W function
+plot([lambertw, lambda x: lambertw(x,-1)], [-2,2], [-5,2], points=2000)