function draw(node, t)

close all;
figure;

X=node;
X(size(X,1)+1,2)=node(1,2);
X(size(X,1),3)=node(1,3);

plot(X(:,2),X(:,3),'ro-','LineWidth',2.0);
hold on;
axis equal; axis([-15 15 -15 15]); grid off;
printt=['Time elapsed= ', num2str(t,'%0.7g'),' seconds'];
text(-14,-14,printt);
text(-14,14,'Vapour');
