The first is a 3x 1 matrix and the 2nd is a 1 x 3. How do I multiply them?
February 21st 2013, 08:42 AM
emakarov
Re: Matrix problem
Quote:
Originally Posted by dzomberg
How do I multiply them?
The same way you would multiply any matrices. The result is a 3 x 3 matrix. The first row is 1 * 2, 1 * (-1) and 1 * 5. The second row is 7 * 2, 7 * (-1) and 7 * 5, and so on.