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Octave uses standard mathematical notation with the advantage over
low-level languages that operators may act on scalars, vector, matrices,
or N-dimensional arrays. For example, to multiply the matrix A
by a scalar value, type the command
octave:4> 2 * A
To multiply the two matrices A and B, type the command
octave:5> A * B
and to form the matrix product
transpose (A) * A,
type the command
octave:6> A' * A