Square Integrable

Related Topics

• Square Integrable Vector Space

$f:\mathbb{R}\to \mathbb{C}\text{ square integrable}\leftrightarrow {\int }_{-\infty }^{\infty }|f(x){|}^2\mathrm{d}x<\infty$

• A function is square integrable if the integration over $\mathbb{R}$ of its modulo squared is finite