ncauer

% error: [Zz, Zp, Zg] = ncauer(Rp, Rs, n)
%
%Analog prototype for Cauer filter.
%[z, p, g]=ncauer(Rp, Rs, ws)
%Rp = Passband ripple
%Rs = Stopband ripple
%Ws = Desired order
%
% References: 
%
% - Serra, Celso Penteado, Teoria e Projeto de Filtros, Campinas: CARTGRAF, 
%   1983.
% - Lamar, Marcus Vinicius, Notas de aula da disciplina TE 456 - Circuitos 
%   Analogicos II, UFPR, 2001/2002.