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%%%Ö÷³ÌÐò XY=xlsread('data.xlsx','ND'); I3=xlsread('data.xlsx','NE'); UB=xlsread('data.xlsx','UB'); ND=33;%µãÊý NE=40;%µ¥ÔªÊý ND1=24;%±ßÖµµãÊý UK=UK1(ND,NE,I3,XY);%×ÜϵÊý¾ØÕó [UK,UB1]=UBK(UK,UB,ND1);%½«KU=0·½³Ì×é±äΪKU=BÐÎʽµÄ·½³Ì×é U=UK\UB1'%¼ÆËãµÃµ½½á¹û %%%%%%%% ×ÜϵÊý¾ØÕó³ÌÐò %%%%%%%% function y=UK1(ND,NE,I3,XY) X=[0,0,0]; Y=[0,0,0]; SK=zeros(ND,ND); KE=zeros(3,3); for P=1:NE %±éÀú¸÷¸öµ¥Ôª for I=1:3 %±éÀúÒ»¸öµ¥ÔªµÄÈý¸ö½Úµã L=I3(I,P); %È·¶¨Ò»¸öµ¥ÔªµÄ½Úµã X(I)=XY(1,L); %¸Ã½ÚµãµÄx×ø±ê Y(I)=XY(2,L); %¸Ã½ÚµãµÄy×ó±ß end KE=UKE1(X,Y);%Ò»¸öµ¥ÔªµÄµ¥ÔªÏµÊý¾ØÕó %ÏÂÃæÕâ¶Î³ÌÐòÊÇΪÁ˰ѵ¥ÔªÏµÊý¾ØÕó·ÅÈ붨´ø¿í¾ØÕóÖÐÈ¥ for J=1:3 for K=1:3 NJ=I3(J,P); NK=I3(K,P); SK(NJ,NK)=SK(NJ,NK)+KE(J,K); end end end y=SK; %%%%%%% µ¥ÔªÏµÊý¾ØÕó %%%%%%% function y=UKE1(X,Y) K1=zeros(3,3);%¶¨ÒåÒ»¸ö3*3Êý×éÓÃÓÚ´æ·Åµ¥ÔªÏµÊý¾ØÕóµÄÖµ A=[0,0,0]; B=[0,0,0]; C=[0,0,0]; A(1)=Y(2)-Y(3); A(2)=Y(3)-Y(1); A(3)=Y(1)-Y(2); B(1)=X(3)-X(2); B(2)=X(1)-X(3); B(3)=X(2)-X(1); S=2*(A(1)*B(2)-A(2)*B(1)); for I=1:3 for J=1:3 K1(I,J)=(A(I)*A(J)+B(I)*B(J))/S; end end y=K1; %%%%%%%%% ½«KU=0ÐÎʽת»»ÎªKU=BÐÎʽ %%%%%%%%% function [X,Y]=UBK(UK,UB,ND1) UB1=zeros(1,33); for I=1:ND1 D=UB(1,I); V=UB(2,I); UK(D,D)=UK(D,D)*1e10; UB1(D)=V*UK(D,D); end X=UK; Y=UB1; %%%%%%% ËùµÃµ½µÄ´íÎó½á¹û %%%%%% ³ÌÐò½á¹û ½âÎö½â 0.354616826 0.302042805 0.455989065 0.355568018 0.562915374 0.41747372 0.675049586 0.482845483 0.767370579 0.526986487 0.761868629 0.517705616 0.621009799 0.455065182 0.46388813 0.373490832 0.342221541 0.301003461 |
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