∘
Keys: Alt-t
Alt-t
f∘g Y is f(g Y), and X f∘g Y is f(X g Y).
f∘g Y
f(g Y)
X f∘g Y
f(X g Y)
2 -∘+ 3 ⍝ ¯5
See Rank for applying a function to cells of a chosen rank.
(f∘g)⁻¹Y is g⁻¹ f⁻¹ Y. X(f∘g)⁻¹Y is X g⁻¹ f⁻¹ Y.
(f∘g)⁻¹Y
g⁻¹ f⁻¹ Y
X(f∘g)⁻¹Y
X g⁻¹ f⁻¹ Y
(-∘÷)⁻¹¯0.5 ⍝ 2