|
|
发表于 2010-4-19 20:39:41
|
显示全部楼层
|
一部分关于形成雅克比矩阵的程序，看不懂呀，希望各位大侠赐教！# j. t) J8 n) H' v* }; e- {
jay = sqrt(-1);
3 H' _# s: w5 \9 }exp_ang = exp(jay*ang);. N) o- i! W$ w* _/ r
% Voltage rectangular coordinates( |) W. `( i" g9 B& P
V_rect = V.*exp_ang;1 `; D) M7 U! V$ R; d) q& ?
CV_rect=conj(V_rect);% r! b$ o$ E0 k: P9 f
Y_con = conj(Y);. o8 o" l2 v! C0 F0 m4 }; I- o
%vector of conjugate currents
* E: _* L7 @: li_c=Y_con*CV_rect;1 L) h9 O8 h' \2 Y0 y4 o
% complex power vector! n2 p0 ^+ C r! x7 i$ i( A' r6 V
S=V_rect.*i_c;5 H7 f0 Y, _2 @. f9 T5 @: ?& ?1 o+ Q
S=sparse(diag(S));
`2 c# H& Y) x# y% vVdia=sparse(diag(V_rect));
8 z& B" X3 A4 a2 U7 LCVdia=conj(Vdia);) C2 X9 z7 P4 {" [ |# B
Vmag=sparse(diag(abs(V)));
- [" X- ?2 ^; R3 c1 r: B+ NS1=Vdia*Y_con*CVdia;7 o# E- V; G/ `$ T0 ]) {
t1=((S+S1)/Vmag)*volt_red'; _( R6 t/ C, y9 o* c2 H, R
t2=(S-S1)*ang_red';
/ `4 h3 @4 j' ^4 d/ J/ ?J11=-ang_red*imag(t2);
* u+ ], r6 W- n% r1 f# jJ12=ang_red*real(t1);
* N$ W' k+ \9 a% l; eJ21=volt_red*real(t2);
) ]5 V- W F4 c: M2 |J22=volt_red*imag(t1);: T+ d5 H: S( V+ C" _1 C
if nargout > 3
* i% n# r i6 Y2 v/ @; V9 p9 y. m' U Jac11 = J11; clear J11/ d# `( R% X, P% U4 X0 n+ H- J$ e
Jac12 = J12; clear J12( t* Z" Y. q$ q' w2 u
Jac21 = J21; clear J21
5 T" @7 J9 T; L+ g Jac22 = J22; clear J22
, ~. ]& i# A V! ^& l, kelse. E1 t+ t0 a7 W4 W1 y
Jac11 = [J11 J12;
& M. w4 f* v3 y# W1 @0 z7 w J21 J22];0 G) q( d% @" i* j: @" Y
end |
|
赣公网安备36040302000210号 )|网站地图
狗仔卡
显身卡
好东西啊