8 C=hexa_coupling([1,1,a(i)],[1,1,d(j)]);
20 contour(laa,ldd,cv,[-1:0.1:1])
23 title('Vertical coupling')
24 xlabel('log vertical coefficient')
25 ylabel('log vertical size')
30 contour(laa,ldd,ch,[-1:0.1:1])
33 title('Horizontal coupling')
34 xlabel('log vertical coefficient')
35 ylabel('log vertical size')