Encyclopedia > Square-integrable

Article Content

Square-integrable

A real- or complex-valued function of a real variable is square-integrable on an interval if the integral over that interval of the square of its absolute value is finite. The set of all measurable functions that are square-integrable forms a Hilbert space.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Digital Rights Management

... criminal as a means of preventing enforcement of laws against fraud and other wrongdoing. Since DRM is unlikely to be so used by individuals, only corporate skullduggery is ...