x ← ¯1e9 + ?1e6⍴2e9 y ← 1e9 + ?1e6⍴2e5 cmpx 'x⍳x' 'y⍳y' x⍳x → 3.20E¯1 | 0% ⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕ * y⍳y → 4.10E¯2 | -87% ⎕⎕⎕ large small range range ratio ⍵⍳⍵ 3.20e¯1 4.10e¯2 7.8 ⍋⍵ 1.45e¯1 5.57e¯2 2.6 {⍵[⍋⍵]} 5.57e¯2 1.17e¯2 4.8