.BG
.FN Matrix-product
.FN %*%
.TL
Matrix Multiplication Operator
.CS
mat1 %*% mat2
.AG mati
matrix or vector.
.RT
matrix product of `mat1' and `mat2'.
.PP
The last extent of `mat1' must be the same size as the first extent of
`mat2'. Vectors are not oriented, therefore a vector of length `n' can
multiply an `n' by `n' matrix on the left or right.
.KW algebra
.KW array
.WR
