x=[1.1052,1.2214,1.3499,1.4918,1.6487,1.8221,2.0138,...
    2.2255,2.4596,2.7183,3.6693];
y=[0.6795,0.6006,0.5309,0.4693,0.4148,0.3666,0.3241,...
    0.2864,0.2532,0.2238,0.1546];
plot(x,y,x,y,'*')

x1=log(x); y1=log(y);  plot(x1,y1)

A=[x1' ones(size(x1'))]; c=[A\y1']'

exp(c(2))