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function y= sinewave(x, varargin)
//Return an M-element vector with I-th element given by 'sin(2* pi *(I+D-1)/N).'
//Calling Sequence
//y= sinewave(M)
//y= sinewave(M,N)
//y= sinewave(M,N,D)
//Parameters
//M: Input vector
//N: The default value for N is M
//D: The default value for D is 0
//AMPL: Amplitude
//Description
//Return an M-element vector with I-th element given by 'sin(2* pi *(I+D-1)/N).'
funcprot(0);
rhs= argn(2);
if(rhs<1 | rhs>3)
error("Wrong number of input arguments")
end
select(rhs)
case 1 then
y= callOctave("sinewave", x);
case 2 then
y= callOctave("sinewave", x , varargin(1));
case 3 then
y= callOctave("sinewave", x , varargin(1), varargin(2));
end
endfunction
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