matlab未定义变量a,未定义函数或变量问题

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function [xstar,fxstar,AO,IB,iter]=Dsimplex(A,b,c)

[m,n]=size(A);E=eye(m);IB=zeros(1,m);k=0;

for i=1:m

for j=1:n

if A(:,j)==E(:,i)

IB(i)=j;SA(i)=j;

elseif A(:,j)==(-E(:,i))

SA(i)=j;

end

end

end

AO=[b,A];N=1:n;IB;N(IB)=[];IN=N;x(IB)=AO(:,1)';

x(IN)=zeros(1,length(IN));cB=c(IB);

sigma=c'-cB'*AO(:,2:n+1);

t=find(AO(:,1)<0);

flag=0;

while (t~=0)&(flag==0)

[~,jj]=min(AO(:,1));

tt=find(AO(jj,2:n+1)<0);kk=length(tt);

if kk==0

disp

xstar=[]; fxstar=[]; AO=[]; IB=[]; iter=k;

flag=1;

else

theta=zeros(1,kk);

for i=1:kk

theta(i)=sigma(tt(i))/AO(jj,tt(i)+1);

end

for i=1:m

if i~=jj

AO(i,:)=AO(i,:)-(AO(jj,:)/AO(jj,Temp+1))*AO(i,Temp+1);

else

AO(jj,:)=AO(jj,:)/AO(jj,Temp+1);

end

end

TT=IB(jj); IB(jj)=Temp;IN(Temp)=TT; x(IB)=AO(:,1)';

N=1:n;N(IB)=[];IN=N;x(IN)=zeros(1,length(IN));cB=c(IB);

t=find(AO(:,1)<0); sigma=c'-cB*AO(:,2:n+1);

end

k=k+1;

end

if flag==1

xstar=[];fxstar=[];iter=k;

disp

else

B=A(:,IB);

xstar=x;fxstar=x(IB)*c(IB);iter=k;

endclc,clear

A=[-1 -2 -1 1 0;-2 1 -3 0 1];

b=[-3 -4]';

c=[-2 -3 -4 0 0]';

[xstar,fxstar,AO,IB,iter]=Dsimplex(A,b,c);

未定义函数或变量 'Temp'。

出错 Dsimplex (line 31)

AO(i,:)=AO(i,:)-(AO(jj,:)/AO(jj,Temp+1))*AO(i,Temp+1);

出错 Untitled222 (line 5)

[xstar,fxstar,AO,IB,iter]=Dsimplex(A,b,c);

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