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Orthogonal Functions

Two functions $f(x)$ and $g(x)$ are orthogonal on the interval $a \leq x \leq b$ if

\begin{displaymath}
\left\langle{f(x)\vert g(x)}\right\rangle{} \equiv \int^b_a f(x)g(x)\,dx = 0.
\end{displaymath}

See also Orthogonal Polynomials, Orthonormal Functions




© 1996-9 Eric W. Weisstein
1999-05-26