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function w=bartlett(L)
//Generates a Bartlett window
//Calling Sequence
//w=bartlett(L)
//Parameters
//L
//A positive integer describing the length of the bartlett window
//Description
//w=bartlett(L) returns an L-point Bartlett window in a column vector w
//Example
//w=bartlett(4)
// w =
//
// 0.
// 0.6666667
// 0.6666667
// 0.
//Author
//Ankur Mallick
//References
//[1] Oppenheim, Alan V., Ronald W. Schafer, and John R. Buck. Discrete-Time Signal Processing. Upper Saddle River, NJ: Prentice Hall, 1999.
funcprot(0);
if(argn(2)~=1)
error('Incorrect number of input arguments.');
elseif(~isscalar(L)|L<=0|round(L)~=L)
error('L must be a positive integer')
elseif(L==1)
w=1; //Trivial case
else
N=L-1;
w1=2*(0:1:N/2)/N;
w2=2-2*(floor(N/2)+1:1:N)/N; //floor used to adjust for odd/even
w=[w1, w2]';
end
endfunction
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