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%FIRLP2HP FIR lowpass to highpass transformation. % G = FIRLP2HP(H) transforms a lowpass FIR filter H with zero-phase % response Hr(w) into a highpass FIR filter G with zero-phase response % Hr(pi-w). % % See also FILTERDESIGN/FIRLP2HP. % Author(s): J. Schickler % Copyright 1988-2004 The MathWorks, Inc. % [EOF]