X1 = 0;
Y1 = Thermistor(X1);
X2 = 30;
Y2 = Thermistor(X2);
 
for n=1:10
   X3 = X2 - (X2-X1)/(Y2-Y1)*Y2;
   Y3 = Thermistor(X3);
 
   if(Y3 > 0)
      X1 = X3;
      Y1 = Y3;
   else
      X2 = X3;
      Y2 = Y3;
   end
   
   disp([n, X3, Y3]);
end