problem here need assistance

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Nasir Qazi 2012-3-20

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关闭： MATLAB Answer Bot 2021-8-20

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 % I have a program like this
 % starting guess pressure e.g P(1,1)
 % line 1     some program
 %                //
 %                //
 %  error check if it statisfy break the program
 %              else
 %           Assume another pressure 
 %                  P(1,2) ( from a relation considering the values 
 %                           of P(1,1) as well
 %           go back on line 1 with this pressure and repeat the         %error check if satisfy ok if not
 %            Another pressure 
 %            P(1,3) and again go back with this pressure on line 1
 %            this P(1,3) from some relation also satisfy this 
 %            if (log(P(1,3))-log(P(1,2)))<1
 %if (log(P(1,3))-log(P(1,2)))>-1
 %Pcal=P(1,3);
 %else
 %P(1,3)=exp(log(P(1,2))-1);
 %Pcal=P(1,3);
 %end
 %else
 %P(1,3)=exp(log(P(1,2))+1);
 %Pcal=P(1,3);
 %end
 % Can someone help me with this please