| 释义 |
monotonic function (monotone function) A real function f is monotonic on or a domain I if it is either increasing on I, so f(x1) ≤ f(x2) whenever x1 ≤ x2, or decreasing on I, so f(x1) ≥ f(x2) whenever x1 < x2. Also, f is strictly monotonic if it is either strictly increasing or strictly decreasing.
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