delete g384x01.txt; diary g384x01.txt
clear; clc; close all; echo on;


R = 0.8206;
n = 1.5;
a = 1.39;
b = 0.03913;
%V = [0.3:.01:1.2];
V = linspace(.3,1.2,1000);
T = linspace(273,473,1000);

P = (((n*R.*T)./(V-b)-((n^2)*a)/(V.^2)));


plot3(V,T,P);
echo off; diary off;