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1 ¢Ù

2 5

4

3

Ai =

1 0 0 -1 0 1 -1 -1 0 0 1 0 0 1 1 0 0 -1

i 1

i 2 i 3 i 4

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i 5

i 6

¢Ü 6

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Ai = 0

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4

3 2

5

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1 1 -1 0

1 2 3

1

6

0

0

1

B = 2 1 -1 1

3 0 1 -1

0 1 0 0 0 1

Bt

Bl

Éè

[u]?[u??????4u5u6u1u2u3]T

ut ul

= [ Bt 1 ]

[i]?[i4??????i5i6i1i2i3]T

it il

¾ØÕóÐÎʽµÄKVL

Bu = 0