哪位大虾帮我写几个程序? 急!!!

aido

<P ><FONT face="Times New Roman">1.      Chebyshev I</FONT>型<FONT face="Times New Roman">Lowpass, Highpass IIR Digital Filters</FONT>通用设计程序的编写；<p></p></P>
<P ><FONT face="Times New Roman">2.      Chebyshev I</FONT>型<FONT face="Times New Roman">Bandpass, Bandstop IIR Digital Filters</FONT>通用设计程序的编写；<p></p></P>
<P ><FONT face="Times New Roman">3.      Chebyshev II</FONT>型<FONT face="Times New Roman">Lowpass, Highpass IIR Digital Filters</FONT>通用设计程序的编写；<p></p></P>
<P ><FONT face="Times New Roman">4.      Chebyshev II</FONT>型<FONT face="Times New Roman">Bandpass, Bandstop IIR Digital Filters</FONT>通用设计程序的编写；<BR><BR><BR>万分感激<p></p></P>