< 3×3行列の逆行列 >
X (1,1) X (1,2) X (1,3) Math.cos(Math.PI/2), Math.sin(Math.PI/2), 0
X (2,1) X (2,2) X (2,3) -Math.sin(Math.PI/2), Math.cos(Math.PI/2), 0
X (3,1) X (3,2) X (3,3) 0, 0, 0
上記の行列の入力方法 : Math.cos(Math.PI/2),Math.sin(Math.PI/2),0,-Math.sin(Math.PI/2),Math.cos(Math.PI/2),0,0,0,1