comparison DL/Majorization Minimization DL/wrapper_mm_solver.m @ 161:f42aa8bcb82f ivand_dev

debug and clean the SMALLbox Problems code

 % to - 1/(step size) . It is larger than spectral norm of dictionary A
 
 if isfield(param, 'to')
    to = param.to;
 else
-   to = .1+svds(A,1);
+   to = .1+(svds(A,1))^2;
 end
 
 % lambda - Lagrangian multiplier. (regulates shrinkage)
 
 if isfield(param, 'lambda')

 % Debiasing. 0 = No, 1 = Yes
 
 if isfield(param, 'map')
     map = param.map;
 else
-    map = 1; 
+    map = 0; 
 end
 
 
 [X, cost] = mm1(A,b,initX,to,lambda,maxIT,epsilon,map); 
 cost