find if a table exists!!

2012 5 24
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hi i have the above code
for i=300:430
for j=2500:3500
if(K3==Foto2(i:i+60,j:j+190))
do these...............
imshow(Foto2(i:i+60,j:j+190))
end
end
end
My problem is that i want to convert the code so the if statement checks if the 2 metrices are the same by a catrain rate eg 80%.How can i do that?

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Walter Roberson
Walter Roberson 2012-5-24
How does this differ from your previous question that Sean already answered?
with the previus answer i couldnt see in what exactly spot K3==Foto2.Furthermore it didnt work really good for that i want to do.

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Walter Roberson
Walter Roberson 2012-5-24

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if mean2(K3==Foto2(i:i+60,j:j+190)) >= 0.8

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it finds the small matric but only if the K3 taken for Foto2.In other cases that has a lot of same elements does not work.ty anyway!!

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