MATLAB: How to compute number of element in matrix

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if i have this matrix
 A = [ 1 3 2 0
       2 2 1 0
       1 2 1 1 ] 
 first i want to compute x which mean the sum of element in each row like this 
x = [ 6
      5
      5 ] 
 second i want to compute y which mean the number of element non zero in each row like this 
 y = [ 3
       3
       4 ]

Best Answer

A = [ 1 3 2 0
     2 2 1 0
     1 2 1 1 ] 
 a=sum(A,2)
 b=sum(A~=0,2)
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