see [[합성함수,composite_function]]( curr at [[함수,function#s-3]] - 저기 멱등함수 약간 언급 )

see also [[Namu:합성함수#s-5]]

MKLINK
[[합성함수,composite_function]]
[[함수합성,function_composition]]
[[주기,period]]

Up: [[멱등성,idempotence]] [[함수,function]]