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 +1,7 @@
+# Parabolic cylinder function D_n(x) on the real line for n=0,1,2,3,4
+d0 = lambda x: pcfd(0,x)
+d1 = lambda x: pcfd(1,x)
+d2 = lambda x: pcfd(2,x)
+d3 = lambda x: pcfd(3,x)
+d4 = lambda x: pcfd(4,x)
+plot([d0,d1,d2,d3,d4],[-7,7])