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Text File  |  1996-01-30  |  342b  |  19 lines
  1. N=64;
  2. j=sqrt(-1);
  3. a=ones(N,1);
  4. row=1;
  5. for i1=1:N;
  6.     a(i1) = sqrt(row+i1-1+.77777)+j*((row+i1-1+.22222)*(row+i1-1+.22222) / N - N/2);
  7. end;
  8. a(1) = N+3+j*imag(a(1));
  9. a(2) = 1-N+j*imag(a(2));
  10. A=fft(a);
  11. a1=ifft(A);
  12. if N<=32
  13.     A
  14.     a1
  15. end
  16. max(abs(A-atrans)./(max(abs(A))/N))
  17. max(abs(a-aitrans)./(max(abs(a))/N))
  18. %max(abs(a1-aitrans)./(max(abs(a1))/N))
  19.