Two functions and are orthogonal over the interval with weighting function if
(1)
|
If, in addition,
(2)
| |||
(3)
|
the functions and are said to be orthonormal.
Two functions and are orthogonal over the interval with weighting function if
(1)
|
If, in addition,
(2)
| |||
(3)
|
the functions and are said to be orthonormal.
Weisstein, Eric W. "Orthogonal Functions." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/OrthogonalFunctions.html