x = [ 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 ];
y = [ 1.75 2.03 2.30 2.31 2.49 2.76 2.81 3.02 2.97 2.85 3.40 3.53 3.37 3.60 3.66 ];

p = polyfit(x,exp(y),1)
plot(p)