Fréchet Derivative
A function 
is Fréchet differentiable at 
if
exists. This is equivalent to the statement that
has a removable Discontinuity at , where
Every function which is Fréchet differentiable is also Carathéodory differentiable.See also Carathéodory Derivative, Derivative
- Correlation Dimension
- Correlation Exponent
- Correlation (Geometric)
- Correlation Index
- Correlation Integral
- Correlation Ratio
- Correlation (Statistical)
- Cosecant
- Coset
- Cosh
- Cosine
- Cosine Apodization Function
- Cosine Circle
- Cosine Integral
- Cosines Law
- Cosmic Figure
- Cosmological Theorem
- Costa-Hoffman-Meeks Minimal Surface
- Costa Minimal Surface
- Cosymmedian Triangles
- Cotangent
- Cotangent Bundle
- Cotes Circle Property
- Cotes Number
- Cotes' Spiral