md=mesh(model,'../Exp/Square.exp',200000);
md=geography(md,'all','');
md=parameterize(md,'../Par/SquareShelf.par');
md=extrude(md,3,1);
md=setelementstype(md,'pattyn','all');

%control parameters
md.control_analysis=1;
md.control_type=RheologyBbarEnum();
md.cm_min=10^6;
md.cm_max=2*10^9;
md.nsteps=2;
md.cm_responses=SurfaceAbsVelMisfitEnum()*ones(md.nsteps,1);
md.weights=ones(md.numberofgrids,1);
md.optscal=10^7*ones(md.nsteps,1);
md.maxiter=2*ones(md.nsteps,1);
md.cm_jump=0.3*ones(md.nsteps,1);
md.vx_obs=md.vx; md.vy_obs=md.vy;

md=SetParallel(md,3);
md=solve(md,'analysis_type',DiagnosticSolutionEnum);

%Fields and tolerances to track changes
field_names     ={'Gradient' 'Misfits' 'RheologyBbar' 'Pressure' 'Vel' 'Vx' 'Vy'};
field_tolerances={1e-07,1e-08,1e-08,1e-08,1e-08,1e-08,1e-08,1e-08,1e-08,1e-08};
field_values={...
	PatchToVec(md.results.DiagnosticSolution.Gradient),...
	md.results.DiagnosticSolution.J,...
	PatchToVec(md.results.DiagnosticSolution.RheologyB),...
	PatchToVec(md.results.DiagnosticSolution.Pressure),...
	PatchToVec(md.results.DiagnosticSolution.Vel),...
	PatchToVec(md.results.DiagnosticSolution.Vx),...
	PatchToVec(md.results.DiagnosticSolution.Vy)
};