“indicator function”的概念、定义、翻译、参考文献-科学参考

单词	indicator function
释义	indicator function Mathematics The indicator function of a subset S⊆X is the function 1_S:X →ℝ such that 1_S(x) = 1 if x ∈ S and 1_S(x) = 0 otherwise. Such functions can be useful in probability as random variables indicating whether a certain event occurred.
随便看	zero-dimensional(of a space) zero-divisor zero element zero energy state zero error zero function zero g(ravity) zero growth zero IF zero interest rate zero-length spring zero level zero matrix zero(of a function) zero order zero order reaction zero padding zero-point energy zero population growth zero potential zero-rated zeros(and poles) zero-sum game zero suppression zeroth degree formula

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