@inner |

Inner product.

Series and Vectors

Computes the inner product of x and y.

Syntax: @inner(x[, y, s])

x: series, vector

y: (optional) series, vector

s: (optional) sample string or object when x and y are series and assigning to series

Return: number

Computes

given x and the optional input y. If the optional argument is omitted, computes the inner product of x with itself so that it is equivalent to @sumsq if the second argument omitted.

EViews will use the current or specified workfile sample.

Matrix

Syntax: @inner(x)

x: matrix, sym

Return: number

Computes the symmetric matrix

Examples

If X and Y are series of length 5 whose elements are 1, 2, 3, 4, 5, and 6, 7, 8, 9, 10, respectively, then

= @inner(x, y)

returns 130.

The commands

matrix m = @mnrnd(5, 7)

sym S = @inner(m)

creates a matrix M filled with normal random variables and the symmetric matrix S containing .

Cross-references