diff options
Diffstat (limited to 'mode_match.m')
-rw-r--r-- | mode_match.m | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/mode_match.m b/mode_match.m new file mode 100644 index 0000000..596cff1 --- /dev/null +++ b/mode_match.m @@ -0,0 +1,50 @@ +function [ possible_lens_placement, possible_lens_set, possible_sample_energy, n_possible_lens_placement, index ] = mode_match( q0, qf, Ltot, lambda, lens_permutations ) +%MODE_MATCH Summary of this function goes here +% Detailed explanation goes here + +n_perms = size(lens_permutations,1); +n_shuffles=1; %number of random placements of lenses + +%Initialize sample arrays +N = n_perms * n_shuffles; +possible_lens_placement = zeros(N,3); +possible_lens_set = zeros(N,3); +possible_sample_energy = zeros(N,1); +initial_rand_lens_placement=zeros(N,3); + +lens_size = .03; % physical size of the lens + +for ip = 1:n_perms + f3=lens_permutations(ip,3); + x3=Ltot-f3; % last lense transfer collimated region to focused spot + for is = 1:n_shuffles + possible_lens_set((ip-1)*n_shuffles + is,:) = lens_permutations(ip,:); + + initial_rand_lens_placement_tmp = sort(lens_size+(x3-2*lens_size)*rand(1,2)); + initial_rand_lens_placement((ip-1)*n_shuffles + is,:) = [initial_rand_lens_placement_tmp, x3]; + end +end + +parfor i = 1:N + + fitness_simplified=@(x) fitness(q0, qf, Ltot, x, possible_lens_set(i,:), lambda ); + [x_sol, energy]=fminsearch(fitness_simplified, initial_rand_lens_placement(i,:), optimset('TolX',1e-8,'TolFun',1e-8,'MaxFunEvals',1e8,'MaxIter',200)); + + possible_lens_placement(i,:) =x_sol; + possible_sample_energy(i) = energy; + +end + +%Sorting possible solution according to energy +[possible_sample_energy, index] = sort(possible_sample_energy); +possible_lens_placement = possible_lens_placement(index,:); +possible_lens_set = possible_lens_set(index,:); + +%Truncate other possible solutions to an accuracy of n decimal places +n=4; +possible_lens_placement_trunc = round(possible_lens_placement*10^n)./10^n; +[possible_lens_placement_uniq, index] = unique(possible_lens_placement_trunc,'rows','stable'); %Unique solutions only + +n_possible_lens_placement = min(5,size(possible_lens_placement_uniq,1)); + +end |