global z Pclear solz=[0.2 0.8];P=5*14.69;options = optimset('Display','off');[X]=fsolve(@PT3,[0.01 0.9 0.01 0.9 500],options);x0=X;sol(1,1)=P;sol(2,1)=X(5);for i=1:63 P=(5+i)*14.69; [X]=fsolve(@PT3,x0,options); x0=X; sol(1,i+1)=P; sol(2,i+1)=X(5);endsol(1,64)=968;sol(2,64)=513+459.67;plot(((sol(2,:)-459.67)-32)./1.8+273.15,sol(1,:)./14.69,'b')hold onclear solz=[0.2 0.8];P=5*14.69;options = optimset('Display','off');[X]=fsolve(@PT4,[0.01 0.9 0.2 0.8 700],options);x0=X;sol(1,1)=P;sol(2,1)=X(5);for i=1:59 P=(5+i)*14.69; [X]=fsolve(@PT4,x0,options); x0=X; sol(1,i+1)=P; sol(2,i+1)=X(5);endsol(1,61)=968;sol(2,61)=513+459.67;plot(((sol(2,:)-459.67)-32)./1.8+273.15,sol(1,:)./14.69,'r')clear solz=[0.7 0.3];P=5*14.69;options = optimset('Display','off');[X]=fsolve(@PT3,[0.7 0.3 0.999 0.001 350],options);x0=X;sol(1,1)=P;sol(2,1)=X(5);for i=1:99 P=(5+i)*14.69; [X]=fsolve(@PT3,x0,options); x0=X; sol(1,i+1)=P; sol(2,i+1)=X(5);end sol(1,101)=1550;sol(2,101)=770;plot(((sol(2,:)-459.67)-32)./1.8+273.15,sol(1,:)./14.69,'m')clear solz=[0.7 0.3];P=5*14.69;options = optimset('Display','off');[X]=fsolve(@PT4,[0.01 0.9 0.3 0.7 600],options);x0=X;sol(1,1)=P;sol(2,1)=X(5);for i=1:99 P=(5+i)*14.69; [X]=fsolve(@PT4,x0,options); x0=X; sol(1,i+1)=P; sol(2,i+1)=X(5);end sol(1,101)=1550;sol(2,101)=770;plot(((sol(2,:)-459.67)-32)./1.8+273.15,sol(1,:)./14.69,'g')
MATLAB: What particular need of this , why we need it to be in a ‘sol’ what is the benefit for this
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