单词	jump discontinuity
释义	jump discontinuity A point at which a function f(x) has both left‐hand and right‐hand limits but the limits are not equal. For example, f(x) = −1 if x<0 and f(x) = 1 if x>0, f has a jump discontinuity at x = 0. A jump discontinuity at x = 0
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