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FRAMEOPERATOR - Frame Operator

Usage

o=frameoperator(F, f);

Input parameters

F frame
f input vector

Description

Output parameter:
h : output vector

h=frameoperator(F,f) applies the frame operator associated with the frame F to the input f.

If the frame F is a tight frame, then h equals f up to the constant \(\frac{1}{A}\) where \(A\) is the lower frame bound of F. If the frame F is an orthonormal basis, or more general a Parseval frame, then h equals f.