First attempt at automatic optimization.

1 files changed, 64 insertions, 0 deletions

diff --git a/fitter_check.m b/fitter_check.m
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index 0000000..0639e10
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+
+% ########################################## 
+clear;
+lambda= 1.064E-6 ;
+Ltot= 1.010675025828971 ;
+r0= 1.0E+100 ;
+w0= 2.563E-5 ;
+x0= 0 ;
+lns1.abcd=abcd_lens( 0.075 ) ;
+lns1.x= 0.21358727296049 ;
+lns2.abcd=abcd_lens( 0.075 ) ;
+lns2.x= 0.40361319425309 ;
+lns3.abcd=abcd_lens( 0.203 ) ;
+lns3.x= 0.80361319425309 ;
+wf= 3.709E-5 ;
+rf= 1.0E+100 ;
+xf= Ltot;
+
+q0=wr2q(w0,r0,lambda);
+x0=0;
+qf=wr2q(wf,rf,lambda);
+xf=Ltot;
+
+optics={lns1,lns2,lns3};
+figure(1)
+w_final_handmade = solution_visualization(q0,x0, qf, xf, optics, lambda);
+% ########################################## 
+
+%Initialize sample arrays
+sample_energy = [];
+sample_x = [];
+
+for iteration = 1:10
+    optics_x_rand = sort(rand(1,3));
+   
+    test_optics_x = optics_x_rand - min(optics_x_rand(:));
+    test_optics_x(1) = []; %delete first element in array
+    
+    %Prevent random placements that are too close
+    while any(test_optics_x < .03) == 1
+        optics_x_rand = sort(rand(1,3));
+        test_optics_x = optics_x_rand - min(optics_x_rand(:));
+        test_optics_x(1) = [];
+    end
+    
+    fitness_simplified=@(x) fitness(q0, qf, Ltot, x );
+    [x_sol, energy]=fminsearch(fitness_simplified, optics_x_rand, optimset('TolX',1e-8,'TolFun',1e-8,'MaxFunEvals',1e8,'MaxIter',2000));
+    
+    sample_energy = [sample_energy; energy];
+    sample_x = [sample_x; x_sol];        
+    
+    iteration
+    
+end
+
+energy_min = min(sample_energy(:));
+index_of_energy_min = find(sample_energy == energy_min);
+x_sol = sample_x(index_of_energy_min,:);
+
+figure(2)
+w_final_trial = solution_visualization(q0,x0, qf, xf, optics_placer(x_sol), lambda)
+
+w_final_handmade
+x_sol