Table 1. AHP calculation process A–B...

Table 1.

AHP calculation process

A–B judgement matrix	Product of elements in each row	Nth root of the product of elements in each row	Normalisation
$\begin{matrix} A & B_{1} & B_{2} & B_{3} \end{matrix}$	$M_{i} = \prod_{j = 1}^{n} a_{i j}$	$m_{i} = \sqrt[n]{M_{i}}$	$W_{i} = m_{i} / \sum_{j = 1}^{n} m_{i}$
$\begin{matrix} B_{1} & a_{11} & a_{12} & a_{13} \end{matrix}$	$M_{1}$	$m_{1}$	$w_{1}$
$\begin{matrix} B_{2} & a_{21} & a_{22} & a_{23} \end{matrix}$	$M_{2}$	$m_{2}$	$w_{2}$
$\begin{matrix} B_{3} & a_{31} & a_{32} & a_{33} \end{matrix}$	$M_{3}$	$m_{3}$	$w_{3}$

A–B judgement matrix	Product of elements in each row	Nth root of the product of elements in each row	Normalisation
$\begin{matrix} A & B_{1} & B_{2} & B_{3} \end{matrix}$	$M_{i} = \prod_{j = 1}^{n} a_{i j}$	$m_{i} = \sqrt[n]{M_{i}}$	$W_{i} = m_{i} / \sum_{j = 1}^{n} m_{i}$
$\begin{matrix} B_{1} & a_{11} & a_{12} & a_{13} \end{matrix}$	$M_{1}$	$m_{1}$	$w_{1}$
$\begin{matrix} B_{2} & a_{21} & a_{22} & a_{23} \end{matrix}$	$M_{2}$	$m_{2}$	$w_{2}$
$\begin{matrix} B_{3} & a_{31} & a_{32} & a_{33} \end{matrix}$	$M_{3}$	$m_{3}$	$w_{3}$