}
}
checkVector(r.applyTo(Vector3D.PLUS_I),
new Vector3D(m3[0][0], m3[1][0], m3[2][0]));
checkVector(r.applyTo(Vector3D.PLUS_J),
new Vector3D(m3[0][1], m3[1][1], m3[2][1]));
checkVector(r.applyTo(Vector3D.PLUS_K),
new Vector3D(m3[0][2], m3[1][2], m3[2][2]));
double[][] m4 = { { 1.0, 0.0, 0.0 },