noun
monotone function; monotonic function
Mathematics term for a function that preserves or reverses order; either entirely non-increasing or non-decreasing.
単調関数は、定義域全体で増加または減少の傾向が変わらない。
A monotone function does not change its increasing or decreasing tendency over its entire domain.
Compound of 単調 (monotone) + 関数 (function), a direct calque of the English mathematical term.