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function [x_r, t_r] = impz(b, a, n, fs)
//
//Calling Sequence
//x_r = impz(b)
//x_r = impz(b, a)
//x_r = impz(b, a, n)
//x_r = impz(b, a, n, fs)
//[x_r, t_r] = impz(b, a, n, fs)
//Parameters
//
//Description
//Examples
//This function is being called from Octave
funcprot(0);
rhs = argn(2)
lhs = argn(1)
if(rhs<1 | rhs>4)
error("Wrong number of input arguments.")
end
select(rhs)
case 1 then
if(lhs==1)
[x_r] = callOctave("impz",b)
elseif(lhs==2)
[x_r,t_r] = callOctave("impz",b)
end
case 2 then
if(lhs==1)
[x_r] = callOctave("impz",b,a)
elseif(lhs==2)
[x_r,t_r] = callOctave("impz",b,a)
end
case 3 then
if(lhs==1)
[x_r] = callOctave("impz",b,a,n)
elseif(lhs==2)
[x_r,t_r] = callOctave("impz",b,a,n)
end
case 4 then
if(lhs==1)
[x_r] = callOctave("impz",b,a,n,fs)
elseif(lhs==2)
[x_r,t_r] = callOctave("impz",b,a,n,fs)
end
end
endfunction
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