> plot({1+cos(omega)}, omega=0..2*Pi, title=`Plot of halfband distribution for Daubechies 2-tap filter: P(omega)=1+cos(omega)`);

[Maple Plot]

> plot({(1+cos(omega))^2*(1-(1/2)*cos(omega))}, omega=0..2*Pi, title=`Plot of halfband distribution for Daubechies 4-tap filter`);

[Maple Plot]

> plot({sqrt(1+cos(omega))}, omega=0..2*Pi, title=`Plot of |C(omega)|for Daubechies 2-tap filter`);

[Maple Plot]

> plot({sqrt((1+cos(omega))^2*(1-(1/2)*cos(omega)))}, omega=0..2*Pi, title=`Plot of |C(omega)| for Daubechies 4-tap filter`);

[Maple Plot]

>

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