how to know pixel' s value of matrix

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bay rem
bay rem 2016-1-2
回答： the cyclist 2016-1-2
hello i have a matrix (a)
a= [a b c d;
e f g h;
i j k l]
  • i wanna test/know the values of d,h,l and i j k l

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the cyclist
the cyclist 2016-1-2
For the last column
a(:,end)
OR
a(:,4)
For the last row:
a(end,:)
OR
a(3,:)

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