compare_fire_area.m also diffs ros
[wrf-fire-matlab.git] / quicwind / adj_test.m
blob68b1116565c5bdd61b84ea309201bf642c716ef0
1 function err=adj_test
2 disp('adj_test')
3 disp('testing if grad3z and div3 are adjoint')
4 h=rand(1,3);
5 n=[20,7,2];
6 lambda = rand(n);
7 g = grad3z(lambda,h);
8 for i=1:length(g)
9     u{i}=rand(size(g{i}));
10 end
11 div3u = div3(u,h);
12 l3z = grad3z(lambda,h);
13 err = aprod(lambda,div3u) + aprod3(l3z,u)
14 end
16 function a=aprod(x,y)
17 a = dot(x(:),y(:));
18 end
20 function a=aprod3(x,y)
21 a = aprod(x{1},y{1})+aprod(x{2},y{2})+aprod(x{3},y{3});
22 end