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    ECE480.PH437_07-Jan-2002.txt
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--- Saving session to:
    ECE480.PH437_07-Jan-2002.txt
--- Processed startup.m ---
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hpviz
press a key to continue...
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*15) = -0.77778
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*15 + -1*15) = -1.5556
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*15 + -1*15 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*15 + -1*15 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*15 + -1*15 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*15 + -1*15 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*15 + -1*15 + -1*8) = -1.5556
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*15 + -1*8 + -1*8) = -0.77778
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*15 + -1*8 + -1*8 + -1*15) = -1.5556
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*15 + -1*15 + -1*8 + -1*15 + -1*15) = 3.8889
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*15 + 8*15 + -1*8 + -1*15 + -1*15 + -1*8) = 3.8889
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*15 + 8*8 + -1*8 + -1*15 + -1*8 + -1*8) = -1.5556
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*15 + -1*8 + 8*8 + -1*15 + -1*8 + -1*8 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*15 + -1*15 + -1*8 + 8*15 + -1*15 + -1*8 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*8 + -1*15 + 8*15 + -1*8 + -1*15 + -1*15 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*8 + -1*8 + -1*15 + 8*8 + -1*8 + -1*15 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*15 + -1*8 + 8*8 + -1*15 + -1*8 + -1*8 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*15 + -1*15 + -1*8 + 8*15 + -1*15 + -1*8 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*8 + -1*15 + 8*15 + -1*8 + -1*15 + -1*15 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*8 + -1*8 + -1*15 + 8*8 + -1*8 + -1*15 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*15 + -1*8 + 8*8 + -1*15 + -1*8 + -1*8 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*15 + -1*15 + -1*8 + 8*15 + -1*15 + -1*8 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*8 + -1*15 + 8*15 + -1*8 + -1*15 + -1*15 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*8 + -1*8 + -1*15 + 8*8 + -1*8 + -1*15 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*15 + -1*8 + 8*8 + -1*15 + -1*8 + -1*8 + -1*15) = -2.3333
y=(1/9)*(-1*8 + -1*15 + -1*15 + -1*8 + 8*15 + -1*15 + -1*8 + -1*15 + -1*15) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*15 + -1*15 + -1*15) = 0
y=(1/9)*(-1*15 + -1*15 + -1*8 + -1*15 + 8*15 + -1*8 + -1*15 + -1*15 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*8 + -1*8 + -1*15 + 8*8 + -1*8 + -1*15 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*15 + -1*8 + 8*8 + -1*15 + -1*8 + -1*8 + -1*8) = -1.5556
y=(1/9)*(-1*8 + -1*15 + -1*15 + -1*8 + 8*15 + -1*15 + -1*8 + -1*8 + -1*8) = 3.8889
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*8 + -1*8 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*8 + -1*8 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*8 + -1*8 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*15 + 8*15 + -1*15 + -1*8 + -1*8 + -1*8) = 2.3333
y=(1/9)*(-1*15 + -1*15 + -1*8 + -1*15 + 8*15 + -1*8 + -1*8 + -1*8 + -1*8) = 3.8889
y=(1/9)*(-1*15 + -1*8 + -1*8 + -1*15 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -1.5556
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*15 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -0.77778
y=(1/9)*(-1*8 + -1*15 + -1*15 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -1.5556
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*15 + -1*15 + -1*15 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -2.3333
y=(1/9)*(-1*15 + -1*15 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -1.5556
y=(1/9)*(-1*15 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = -0.77778
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
y=(1/9)*(-1*8 + -1*8 + -1*8 + -1*8 + 8*8 + -1*8 + -1*8 + -1*8 + -1*8) = 0
delfigs
x=imread('nelson.png');
imshow(x)
w=[-1 -1 -1; -1 8 -1; -1 -1 -1]

w =

    -1    -1    -1
    -1     8    -1
    -1    -1    -1

y=conv2(x,w);
whos y
  Name      Size           Bytes  Class

  y       242x322         623392  double array

Grand total is 77924 elements using 623392 bytes

imshow(y)
max(y(:))

ans =

   581

min(y(:))

ans =

  -527

min(y(:),[])
??? Error using ==> min
Matrix dimensions must agree.

imshow(y,[])
figure
imshow(x)
profiles


figure
x=double(x);
whos x
  Name      Size           Bytes  Class

  x       240x320         614400  double array

Grand total is 76800 elements using 614400 bytes

whos y
  Name      Size           Bytes  Class

  y       242x322         623392  double array

Grand total is 77924 elements using 623392 bytes

imshow(x+y,[])
??? Error using ==> +
Matrix dimensions must agree.

whos
  Name           Size           Bytes  Class

  W              3x3               72  double array
  X             12x12            1152  double array
  Y             12x12            1152  double array
  ans            1x1                8  double array
  colcent        1x3               24  double array
  colmask        1x3               24  double array
  emode          1x6               12  char array
  f1             1x1                8  double array
  f2             1x1                8  double array
  fwidth         1x1                8  double array
  i              1x1                8  double array
  idim           1x2               16  double array
  j              1x1                8  double array
  nposini        9x3              216  double array
  numpix         1x1                8  double array
  numrow         1x1                8  double array
  p              1x1                8  double array
  pix            1x1                8  double array
  pos            1x3               24  double array
  r              1x1                8  double array
  row            1x1                8  double array
  sheight        1x1                8  double array
  ssize          1x4               32  double array
  swidth         1x1                8  double array
  w              3x3               72  double array
  wdim           1x2               16  double array
  wmask          1x12              96  double array
  wmasklen       1x1                8  double array
  wmaskn         1x9               72  double array
  wnorm          1x1                8  double array
  wnumpix        1x1                8  double array
  wnumrow        1x1                8  double array
  x            240x320         614400  double array
  xcposini       4x2               64  double array
  xposini       12x2              192  double array
  y            242x322         623392  double array
  ycent          1x4               32  double array
  ycposini      12x2              192  double array
  yh             1x1                8  double array
  yposini       12x2              192  double array

Grand total is 155204 elements using 1241596 bytes

y=conv2(x,w,'same');
imshow(x+y,[])
imshow(x+0.1*y,[])
imshow(x)
imshow(x,[])
imshow(x+0.3*y,[])

exit