graph.m

clear all;
close all;
x1=[91.3806,91.3593,91.3424,91.2686,91.2207,91.1542,91.0285,90.8991,89.8673];    
y1=[31.1023,31.1573,30.9629,31.1645,30.8776,31.1644,31.1644,30.7760,30.6523];    
    
x2=[94.1789,94.1576,94.1406,94.0669,94.0190,93.9525,93.8268,93.6974,93.4870];
    
y2=[28.6199,28.6532,28.5417,28.4938,28.6570,28.6572,28.6572,28.4285,27.3616];

x3=[94.8740,94.8527,94.8358,94.7620,94.6476,94.7141,94.5219,94.3925,94.2727];
y3=[27.3139,27.3403,27.2606,27.3428,27.3429,27.2224,27.1786,27.3429,25.9005];

plot(x1,y1,x2,y2,x3,y3);