TA的每日心情 | 奋斗 2019-12-6 11:44 |
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发表于 2009-3-10 12:08:26
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这是我写的潮流的一个函数% K( {* T6 l$ r4 l
function jacobian=jacobian(V,Y1,dij,nodeNum,PVI,balanceNode)
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% U, P" W6 S3 q# L; ]H=diag(V)*(Y1.*sin(dij))*diag(V)-diag(diag(V)*(Y1.*sin(dij))*(V));
. C( z, N2 [6 p% L3 s0 KN=(-diag(V)*(Y1.*cos(dij)))+diag((Y1.*sin(dij))*(V));4 `, X: p! S$ E4 i% u
J=diag(V)*(Y1.*cos(dij))+diag((Y1.*cos(dij))*(V))*diag(V); D! W1 w; \# a
L=diag(V)*(Y1.*sin(dij))+diag((Y1.*sin(dij))*(V))*diag(V);; l- ]3 ~- H% _. Z$ u3 D
7 s/ S5 I! A2 [, l, y& y+ `3 G7 G3 oH(balanceNode,:)=0;/ D1 ], }; e/ F1 _9 K+ y
N(balanceNode,:)=0;
# O [# G/ w* GJ(balanceNode,:)=0;, [0 H, p+ {) K; G4 T; S% x
L(balanceNode,:)=0;
) s, J8 ~. g7 F! X8 W- f |, A8 s: jH(:,balanceNode)=0;
3 Q) L9 d* Z5 H5 e! T$ I7 T( rN(:,balanceNode)=0;3 F0 K6 b) P8 C. g
J(:,balanceNode)=0;8 A, S _5 Q. I, v
L(:,balanceNode)=0;8 k; }$ V; Y. v7 O' l2 e" c
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3 f [8 N. O8 _7 yH(balanceNode,balanceNode)=100;* J4 M! B p1 Y
L(balanceNode,balanceNode)=100;
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0 ^7 ]2 |# h5 j/ }L(PVI,:)=0;- a! Y5 P% i) t U' t x* Y
J(:,PVI)=0;) j. E) R5 c3 T0 x
L(:,PVI)=0;
* Q* K! ^2 u2 L6 P% e, PN(PVI,:)=0;
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5 L/ ?- x5 F6 _& G2 a" ]/ H! pPV_Diag=sparse(PVI,PVI,100,nodeNum,nodeNum);) D9 h y' D- z A$ P) T U3 i
L=L+PV_Diag;
& ], ?* `, n) F7 }, |0 v. ajacobian=[H,J;N,L]; |
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