Matlab can perform the standard arithmetic operations on matrices,
vectors, and scalars (that is, on 2-, 1-, and 0-dimensional arrays):
addition, subtraction, and multiplication. In addition, Matlab defines
a notion of matrix division as well as ``vectorized'' operations. All
vectorized operations (these include addition, subtraction, and scalar
multiplication, as explained below) can be applied to n-dimensional
arrays for any value of n, but multiplication and division are
restricted to matrices and vectors ( 
).