system_dependent('setprintcolorchoice', -1)
; ; ; ; ; ; ; 
disp(get(0, 'Echo'))
off
set(0, 'Echo', 'off')
set(0, 'Format', 'short')
set(0, 'FormatSpacing', 'compact')
feature('EightyColumns', 0);
t=(1:1000)'/1000;
plot(t, sin(2*pi*10*t))
plot(t, sin(2*pi*1*t))
plot(t, sin(2*pi*1*t)+sin(2*pi*3*t)/3)
plot(t, sin(2*pi*1*t)+sin(2*pi*3*t)/3+sin(2*pi*5*t)/5)
plot(t, sin(2*pi*1*t)-sin(2*pi*3*t)/9+sin(2*pi*5*t)/25-sin(2*pi*7*t)/49)
sq=square(2*pi*t);
plot(t,sq)
axis([0 1 -2 2])
s=sin(2*pi*t);
hold on
plot(t,s)
size(sq)
ans =
        1000           1
sq' * s
ans =
  636.6177
sq' * sin(2*pi*1*t)
ans =
  636.6177
sq' * sin(2*pi*2*t)
ans =
 -8.1970e-014
sq' * sin(2*pi*3*t)
ans =
  212.2003
sq' * sin(2*pi*4*t)
ans =
  4.9223e-014
sq' * sin(2*pi*5*t)
ans =
  127.3135
5*ans
ans =
  636.5674
RunAuFFTDemo
flo =
     0
fhi =
        3448
flo =
     0
fhi =
        4000
flo =
     0
fhi =
        2204
flo =
     0
fhi =
        1308
flo =
     0
fhi =
   616
flo =
     0
fhi =
  412.0000
flo =
     0
fhi =
        4000
flo =
  824.0000
fhi =
        4000
flo =
   272
fhi =
        4000
flo =
   616
fhi =
        4000
flo =
        1516
fhi =
        4000
flo =
        1860
fhi =
        4000
flo =
  412.0000
fhi =
        4000
flo =
  412.0000
fhi =
        2480
flo =
  412.0000
fhi =
        4000
flo =
  412.0000
fhi =
        2620
flo =
  412.0000
fhi =
        2204
flo =
   340
fhi =
        2204
flo =
   340
fhi =
        4000
flo =
     0
fhi =
        4000
exit
