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
© 1996-9
Eric W. Weisstein
1999-05-26