function net = svc(arg, sv, w, bias)


%

if nargin == 0
   
   % this is the default constructor
   
   net.kernel = linear;
   net.sv     = [];
   net.w      = [];
   net.bias   = 0;
   net        = class(net, 'svc');
   
elseif nargin == 1

   if isa(arg, 'svc');
   
      % this is the copy constructor
   
      net = arg;

   end
   
elseif nargin > 6

   % there are no other constructors
   
   help svc

else
   
   net.kernel = arg;
   net.sv     = sv;
   net.w      = w;
   net.bias   = bias;
   net        = class(net, 'svc');
   
end