function [xn] = slow_ifft(Xk,N)
% Slow IFFT
% Computes inverse Fast Fourier Transform but without
% using MATLAB built-in efficiencies
%  
% [xn] = slow_ifft(Xk,N)
% Xk = FFT coeff. array over 0 <= k <= N-1

% xn = N-point finite-duration sequence
% N = Length of FFT

% This version calls slow_fft.m using conjugation "trick" 
% Last revised, 10/23/97 - rms

% Precomputing twiddle factors

Xk = conj(Xk);
xn = slow_fft(Xk,N);
xn = conj(xn);
		
xn = xn / N;