No. Matrix addition (or subtraction) is defined only for matrices of the same dimensions.

Matrix addition is commutative if the elements in the matrices are themselves commutative.Matrix multiplication is not commutative.

Yes. Matrix addition is commutative.

How we can addition Two Matrix plz send coding in C language mahesh dhanotiya astah_mahesh@rediff.com how i can built a square matrix in c,

1. Matrix-Addition(a,b)
2. 1 for i =1 to rows [a]
3. 2 for j =1 to columns[a]
4. 3 Input a[i,j];
5. 4 Input b[i,j];
6. 5 C[i, j] = A[i, j] + B[i, j];
7. 6 Display C[i,j];