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authorMatt Argao <mcargao@email.wm.edu>2013-02-04 14:25:08 -0500
committerMatt Argao <mcargao@email.wm.edu>2013-02-04 14:25:08 -0500
commit20f24d2ec65b9c46c64b34080a72f498a95fe2bb (patch)
tree2feeb4fb5670cbca6e5aac4b45b517f137d88d58
parentdfed0d0433eddf745f06253c816bdcae7d99ce5e (diff)
downloadmode_match-20f24d2ec65b9c46c64b34080a72f498a95fe2bb.tar.gz
mode_match-20f24d2ec65b9c46c64b34080a72f498a95fe2bb.zip
Added find_min function. Modified approriate files to ensure proper usage.
-rw-r--r--find_min.m8
-rw-r--r--fitter_check.m2
-rw-r--r--mode_match.m22
3 files changed, 27 insertions, 5 deletions
diff --git a/find_min.m b/find_min.m
new file mode 100644
index 0000000..2c3ae7d
--- /dev/null
+++ b/find_min.m
@@ -0,0 +1,8 @@
+function [ x_sol, energy ] = find_min( index, lens_placement, fitness_simplified, MaxFunEvals, MaxIter )
+%FIND_MIN Summary of this function goes here
+% Detailed explanation goes here
+
+ [x_sol, energy] = fminsearch(fitness_simplified, lens_placement(index,:), optimset('TolFun',1e-5,'MaxFunEvals',MaxFunEvals,'MaxIter', MaxIter));
+
+end
+
diff --git a/fitter_check.m b/fitter_check.m
index ebb3ad1..9acf990 100644
--- a/fitter_check.m
+++ b/fitter_check.m
@@ -17,7 +17,7 @@ qf=wr2q(wf,rf,lambda);
%End list
%Mode match
-[ possible_lens_placement, possible_lens_set, possible_sample_energy] = mode_match( q0, qf, Ltot, lambda, lens_permutations );
+[ possible_lens_placement, initial_possible_lens_set, possible_lens_set, possible_sample_energy] = mode_match( q0, qf, Ltot, lambda, lens_permutations );
%Remove similar solutions
n_truncate = 3; %number of digits in truncated solution
diff --git a/mode_match.m b/mode_match.m
index 0a36332..3eed53f 100644
--- a/mode_match.m
+++ b/mode_match.m
@@ -1,4 +1,4 @@
-function [ possible_lens_placement, possible_lens_set, possible_sample_energy] = mode_match( q0, qf, Ltot, lambda, lens_permutations )
+function [ final_possible_lens_placement, initial_possible_lens_placement, possible_lens_set, possible_sample_energy] = mode_match( q0, qf, Ltot, lambda, lens_permutations )
%Shuffles lenses into random positions and stores possible solutions
% Shuffles over entire lens permutation array for n_shuffles times.
% Afterwards, solutions are sorted by Energy and truncated to n_truncate
@@ -6,6 +6,10 @@ function [ possible_lens_placement, possible_lens_set, possible_sample_energy] =
n_perms = size(lens_permutations,1);
n_shuffles=20; %number of random placements of lenses
+initial_MaxFunEvals = 1e8;
+initial_MaxIter = 10;
+final_MaxFunEvals = 1e8;
+final_MaxIter = 100;
%Initialize sample arrays
N = n_perms * n_shuffles;
@@ -27,12 +31,22 @@ for ip = 1:n_perms
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('TolFun',1e-5,'MaxFunEvals',1e8,'MaxIter',200));
+ [ x_sol, energy ] = find_min(i, initial_rand_lens_placement, fitness_simplified, initial_MaxFunEvals, initial_MaxIter )
+
+ initial_possible_lens_placement(i,:) =x_sol;
- possible_lens_placement(i,:) =x_sol;
+end
+
+parfor i = 1:N
+ fitness_simplified=@(x) fitness(q0, qf, Ltot, x, possible_lens_set(i,:), lambda );
+ [ x_sol, energy ] = find_min(i, initial_possible_lens_placement, fitness_simplified, final_MaxFunEvals, final_MaxIter )
+
+ final_possible_lens_placement(i,:) =x_sol;
possible_sample_energy(i) = energy;
end