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 +1,6 @@
+# Lommel function S_(u,v)(x) on the real line for a few different u,v
+f1 = lambda x: lommels2(-1,2.5,x)
+f2 = lambda x: lommels2(1.5,2,x)
+f3 = lambda x: lommels2(2.5,1,x)
+f4 = lambda x: lommels2(3.5,-0.5,x)
+plot([f1,f2,f3,f4], [0,8], [-8,8])