MATLAB: Insert an identity matrix into a larger dimension of null matrix

identity matrixmatrixmatrix concatenationmatrix manipulation

hellow everyone ! Suppose i have an identity matrix .
 I=eye(3) which will produce 
 I = [1 0 0
      0 1 0
      0 0 1]
 Now i want to insert I into a (5X5) null matrix such that my result will be 
N = [0 0 0 0 0 
     0 0 0 0 0 
     0 0 1 0 0
     0 0 0 1 0
     0 0 0 0 1]
 How could i achieve this efficiently .Thanks in advace

Best Answer

   N = diag([0 0 1 1 1])
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