hecho por daniel davila

media

=[25,25,25,25,25;25,35,45,128,25;25,45,35,35,25;25,45,35,35,25;25,25,25,25,25]

A=P;

n=5;

for i = 2:n-1, 

  for j = 2:n-1, 

    A(i,j)=(A(i-1,j-1)+A(i-1,j)+A(i-1,j+1)+A(i,j-1)+A(i,j)+A(i,j+1)+A(i+1,j-1)+A(i+1,j)+A(i+1,j+1))/9;

  end;

end

-------------------------------------------------------------------------------------------------------

mediana

A

B=P;

n=5;

for i = 2:n-1, 

  for j = 2:n-1, 

    B(i,j)=(B(i-1,j)+B(i,j-1)+B(i,j)+B(i,j+1)+B(i+1,j))/5;

  end;

end

B

-------------------------------------------------------------------------------------------------------

histogramas

b=a;

n=5;

s=1000;

for g=1:s,

k=1;

for x=1:w-2,

   for y=1:z-2,

for i=x:x+2,

  for j=y:y+2,

c(k)=b(i,j);

k=k+1;

  end;

end;

for l=1:k-1,

for m=1:k-1,

  if (c(l)>c(m)) 

d=c(l);

c(l)=c(m);

c(m)=d;

  end;

 b(i-1,j-1)=c(5);

end;

        end;

k=1;

    end;

end;

end;