33 lines
2.3 KiB
Mathematica
33 lines
2.3 KiB
Mathematica
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function [GB,Y,r,c,Angle] = admmatrix(Busnum,Linei,Linej,Liner,Linex,Lineb,Transfori...
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,Transforj,Transforr,Transforx,Transfork0,Branchi,Branchg,Branchb)
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%**************************************************************************
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% <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> : <EFBFBD>Ӻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>γɽڵ㵼<EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>Y
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% <EFBFBD><EFBFBD> <EFBFBD>ߣ<EFBFBD>
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% <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>䣺2010.12
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%**************************************************************************
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%% ֧·<EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD><EFBFBD><EFBFBD>
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G = -sparse(Linei,Linej,Liner./(Liner.^2+Linex.^2),Busnum,Busnum) - sparse(Linej,Linei,Liner./(Liner.^2+Linex.^2),Busnum,Busnum);
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G = G - sparse(1:Busnum,1:Busnum,sum(G,2)'); % <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·֧·<EFBFBD>絼
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B = sparse(Linei,Linej,Linex./(Liner.^2+Linex.^2),Busnum,Busnum)+sparse(Linej,Linei,Linex./(Liner.^2+Linex.^2),Busnum,Busnum);
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B = B - sparse(1:Busnum,1:Busnum,sum(B,2)')+sparse(Linei,Linei,Lineb,Busnum,Busnum)+sparse(Linej,Linej,Lineb,Busnum,Busnum);
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%% <EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD>֧·<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if Transfori>0
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mr = Transforr./(Transforr.^2+Transforx.^2); % <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD>֧·<EFBFBD>絼
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mx = -Transforx./(Transforr.^2+Transforx.^2); % <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD>֧·<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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G = G-sparse(Transfori,Transforj,mr./Transfork0,Busnum,Busnum)-sparse(Transforj,Transfori,mr./Transfork0,Busnum,Busnum)...
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+sparse(Transfori,Transfori,mr./Transfork0./Transfork0,Busnum,Busnum)+sparse(Transforj,Transforj,mr,Busnum,Busnum);
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B = B-sparse(Transfori,Transforj,mx./Transfork0,Busnum,Busnum)-sparse(Transforj,Transfori,mx./Transfork0,Busnum,Busnum)...
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+sparse(Transfori,Transfori,mx./Transfork0./Transfork0,Busnum,Busnum)+sparse(Transforj,Transforj,mx,Busnum,Busnum);
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end
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%% <EFBFBD>ӵ<EFBFBD>֧·<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if Branchi>0 % <EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>֧·
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B = B+sparse(Branchi,Branchi,Branchb,Busnum,Busnum);
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G = G+sparse(Branchi,Branchi,Branchg,Busnum,Busnum);
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end
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%% <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
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GB = G+B.*1i; %<EFBFBD><EFBFBD><EFBFBD>絼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺϲ<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD>ɸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
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Y = abs(GB); %<EFBFBD><EFBFBD><EFBFBD>ڵ㵼<EFBFBD>ɷ<EFBFBD>ֵ
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%Y=full(Y);
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[r,c] = find(Y);
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Angle = angle(GB(GB~=0)); %<EFBFBD><EFBFBD><EFBFBD>ڵ㵼<EFBFBD>ɽǶ<EFBFBD>
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%Angle=angle(GB);
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