In general a matrix
consists of rows and columns,
and is called an matrix.
is a matrix.
the above matrix
Then the product
of an matrix with a
-dimensional vector is given by
and results in an -dimensional vector.
With another -dimensional vector
we can express a system of linear equations as follows.
Or, we can simply write
Provided a matrix A and a vector u in
we can compute the multiplication as follows.
> A * u
in each of the following.
Department of Mathematics
Last modified: 2005-10-21