pes2014-wronglowervoltagebound/modifyadmmatrix.m

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Mathematica
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2012-05-22 11:33:21 +08:00
function [new_G,new_B,GB,Y,r,c,Angle] = modifyadmmatrix(ii,jj,G,B)
%**************************************************************************
% <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> : <EFBFBD>Ӻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>γɽڵ<EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>Y
% <EFBFBD><EFBFBD> <EFBFBD>ߣ<EFBFBD>
% <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>2010.12
%**************************************************************************
%% ֧·<EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD><EFBFBD><EFBFBD>
new_G=G;
new_G(ii,jj)=new_G(ii,jj)-G(ii,jj);
new_G(jj,ii)=new_G(jj,ii)-G(jj,ii);
new_G(ii,ii)=new_G(ii,ii)+G(ii,jj);
new_G(jj,jj)=new_G(jj,jj)+G(ii,jj);
new_B=B;
new_B(ii,jj)=new_B(ii,jj)-B(ii,jj);
new_B(jj,ii)=new_B(jj,ii)-B(jj,ii);
new_B(ii,ii)=new_B(ii,ii)+B(ii,jj);
new_B(jj,jj)=new_B(jj,jj)+B(ii,jj);
%% <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
GB = new_G+new_B.*1i; %<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺϲ<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD>ɸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
Y = abs(GB); %<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ɷ<EFBFBD>ֵ
[r,c] = find(Y);
Angle = angle(GB(GB~=0)); %<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ɽǶ<EFBFBD>