Subscript indices must either be real positive integers or logicals .. ERROR

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This is a part of my code, when I run it .. I got this message
  • *{ Subscript indices must either be real positive integers or logicals.
Error in proj (line 131)
inv=inv(D+aL);
}* *
what is the problem?
D=diag(diag®); %Diagnoal
L=tril(R,-1); %Lower-Triangular matrix
U=triu(R,1); %Upper-Triangular matrix
aL=a*L; %Relaxation Factor with lower-traingular matrix
inv=inv(D+aL);
prak=(((1-a)*D)-(a*U));
B=inv*prak;
c=(a*inv)*V;
cur=I;
condition3=1;
k2=0;

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 9 Jul 2014
Your function inv is erased by the variable inv
inv=inv(D+aL)
change it to
inv1=inv(D+al)

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