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## -*- texinfo -*-
## @deftypefn {} {@var{c} =} rectangle_lw (@var{n}, @var{b})
## Rectangular lag window.
##
## Subfunction used for spectral density estimation.
## @seealso{spectral_adf}
## @end deftypefn

function c = rectangle_lw (n, b)

  c = zeros (n, 1);
  t = floor (1 / b);

  c(1:t) = 1;

endfunction
