MATLAB: Running a set of numbers through a program

image processing

I have a region growing code where the input for the code looks like this.
 I = im2double(imread('medtest.png'));
 x=198; y=359;
 J = regiongrowing(I,x,y,0.2); 
 figure, imshow(I+J);
I need to run it multiple times using a set of coordinates such as
x = [1,2,3]
y = [4,5,6]
If anyone has anysuggestions i would greatly appreciate it.
-Eric

Best Answer

 I = im2double(imread('medtest.png'));
 X = [1 2 3]; Y = [4 5 6];
 for K = 1 : length(X)
   x = X(K); y = Y(K);
   J = regiongrowing(I,x,y,0.2); 
   figure, imshow(I+J);
 end
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