grapes-and-grapes: Quadratic form matrix product

%&%R Documentation

Quadratic form matrix product

Description

Calculate the quadratic form

Q=x^{\prime}Ax

Usage

A %&% x

Arguments

A

A square matrix

x

A vector or matrix

Value

The quadratic product

Examples

diag(5) %&% 1:5

bwiernik/configural documentation built on March 18, 2024, 11:02 p.m.