${\widehat{u}}_1$

${\widehat{u}}_2$

${\widehat{u}}_3$

${\widehat{u}}_4$

$x_1^{\ast }$

−0.4103491

1.6066966

-3.103210

2.6948379

$x_2^{\ast }$

−0.5457285

0.5501079

8.556985

−3.8056044

$x_3^{*}$

0.6917840

1.8652805

−7.457607

−0.6065234

$x_4^{\ast }$

0.6097558

−0.3592558

−12.828155

0.4848087