wolffd@0: function engine = set_params(engine, varargin)
wolffd@0: % SET_PARAMS Modify parameters of the inference engine
wolffd@0: % engine = set_params(engine, 'param1',val1, 'param2',val2, ...)
wolffd@0: %
wolffd@0: % Parameter names are listed below.
wolffd@0: %
wolffd@0: % max_iter - max. num. iterations 
wolffd@0: % momentum - weight assigned to old message in convex combination
wolffd@0: %            (useful for damping oscillations) 
wolffd@0: % tol      - tolerance used to assess convergence
wolffd@0: % verbose - 1 means print error at every iteration [0]
wolffd@0: 
wolffd@0: [engine.max_iter, engine.momentum, engine.tol, engine.verbose] = ...
wolffd@0:     process_options('max_iter', engine.max_iter, 'momentum', engine.momentum, ...
wolffd@0: 		    'tol', engine.tol, 'verbose', engine.verbose);