cheb2ap Produces a lowpass analog Chebyshev type II prototype filter. Calling Sequence [z, p, g] = cheb2ap (n, Rs) Parameters n: Filter Order Rs: Stopband attenuation in dB z: Zeros p: Poles g: Gain Description This function gives a lowpass analog Chebyshev type II prototpye filter of nth order and with a stopband attenuation of Rs. Examples Authors Sonu Sharma, RGIT Mumbai FOSSEE, IIT Bombay