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function w = tukeywin (m, r)
//This function returns the filter coefficients of a Tukey window.
//Calling Sequence
//w = tukeywin (m)
//w = tukeywin (m, r)
//Parameters
//m: positive integer
//r: positive real number, between 0 and 1
//Description
//This is an Octave function.
//This function returns the filter coefficients of a Tukey window of length m supplied as input, to the output vector w.
//The second parameter r defines the ratio between the constant and cosine section and its value has to be between 0 and 1, with default value 0.5.
//Examples
//tukeywin(5, 2)
//ans =
// 0.
// 0.5
// 1.
// 0.5
// 0.
funcprot(0);
rhs = argn(2)
if(rhs<1 | rhs>2)
error("Wrong number of input arguments.")
end
select(rhs)
case 1 then
w = callOctave("tukeywin",m)
case 2 then
w = callOctave("tukeywin",m,r)
end
endfunction
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