clear
 x=[0 0.2 0.4 0.7 0.9 0.92 ];
 y=[2.88 2.2576 1.9683 1.9258 2.0862 2.109 ];
A=[ones(size(x));exp(-2*x);cos(-2*x).*exp(-4*x);x.^2];
yy=linefit2(x,y,A)


plot(x,y1)
x=[0:0.01:0.92]';
A1=[ones(size(x)) exp(-2*x),cos(-2*x).*exp(-4*x) x.^2];
y1=A1*yy';
plot(x,y1)