$c_j$

3

-1

-1

0

0

${\theta }_i$

$C_B$

$X_B$

b

$x_1$

$x_2$

$x_3$

$x_4$

$x_5$

0

$x_4$

12

3^*

0

0

1

0

4

−1

$x_2$

1

0

1

0

0

−1

-

−1

$x_3$

1

−2

0

1

0

0

-

${\sigma }_j$

1

0

0

0

−1

3

$x_1$

4

1

0

0

1/3

0

−1

$x_2$

1

0

1

0

0

−1

−1

$x_3$

9

0

0

1

2/3

0

${\sigma }_j$

0

0

0

−1/3

−1