% Zvalue.m
% Script m-file
% Done on 23-July-2001
% M.Subramanian
% CompressFactor.mat is having the data of 
% Zo for various values of Pr & Tr
% Data taken from Smith & Van Ness 5th Edition

% Two Dimensional Interpolation



load CompressFactor.mat

Pr1 = input('Enter Reduced Pressure Pr: ');
Tr1 = input('Enter Reduced Temperature Tr: ');

Zo1 = interp2(Pr,Tr,Zo,Pr1,Tr1);
Z11 = interp2(Pr,Tr,Z1,Pr1,Tr1);



disp(Zo1);
disp(Z11);
%mesh(Pr,Tr,Zo)
%xlabel('Pr')
%ylabel('Tr')
%zlabel('Z')
%zlabel('Z')