Square-integrable function

（重定向自Square integrable function）

In mathematics, a square-integrable function, also called a quadratically integrable function, is a real- or complex-valued measurable function for which the integral of the square of the absolute value is finite. Thus, if

then ƒ is square integrable on the real line $(-\infty,+\infty)$ . One may also speak of quadratic integrability over bounded intervals such as [0, 1].

单词	Square integrable function
释义	Square integrable function 英语百科 Square-integrable function （重定向自Square integrable function） In mathematics, a square-integrable function, also called a quadratically integrable function, is a real- or complex-valued measurable function for which the integral of the square of the absolute value is finite. Thus, if then ƒ is square integrable on the real line $(-\infty,+\infty)$ . One may also speak of quadratic integrability over bounded intervals such as [0, 1].
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