Orthonormal Functions
A pair of functions 
and 
are orthonormal if they are Orthogonal and eachnormalized. These two conditions can be succinctly written as
where
is a Weighting Function and 
is the Kronecker Delta.See also Orthogonal Polynomials- Cayleyian Curve
- Cayley-Klein-Hilbert Metric
- Cayley-Klein Parameters
- Cayley Number
- Cayley's Group Theorem
- Cayley's Hypergeometric Function Theorem
- Cayley's Ruled Surface
- Cayley's Sextic
- Cayley's Sextic Evolute
- Cayley Tree
- C-Curve
- C-Determinant
- Cech Cohomology
- Ceiling Function
- Cell
- Cellular Automaton
- Cellular Space
- Center
- Centered Cube Number
- Centered Hexagonal Number
- Centered Pentagonal Number
- Centered Polygonal Number
- Centered Square Number
- Centered Triangular Number
- Center Function