clc clear NC=2; PROPS=zeros(NC,4);%N2-40% CH4-60% PROPS(:,1)=[126.2;190.6];%critical temperature [K] PROPS(:,2)=[34;45.99];%critical pressure [bar] BIC=zeros(NC,NC);%Binary interaction coefficients COMP=zeros(NC,1);% COMP=[0.4;0.6];%mole fraction ABCD=[NC,4];%Zarayeb PRESS=30;%bar TEMP=200;%K phasetype = 0; [ q,BETA,z,phi ] = EOS_CAL(NC,PRESS,TEMP,phasetype,COMP,PROPS,BIC);