Algorithm 12 Integer mutation.

Require:I {Individual for mutation} Require: $p>0$ {Number of categorical input attributes} Require: $v_1,\dots ,v_p$,  $v_j>1$,  $j=1,\dots ,p$ {Number of categories for the input attributes}  1:$i\leftarrow$Random(1,$M_I$)  2:$j\leftarrow$Random(1,p)  3:$b_{ij}^I\leftarrow$Random(1,$v_j$)