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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
¢Û
? i1??? i4?? i6????????? i1??? i2?? i5????? 0 ?? i2?? i3??? i6????
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