set_wcfnet_a_snn.m

来自「神经网络的工具箱, 神经网络的工具箱,」· M 代码 · 共 34 行

function net = set_wcfnet_a_snn(net, a)
%SET_WCFNET_A_SNN Set output variable weights for a network with cost
%                 function wcf_snn.
%
% Syntax
%
%   wcfnet = set_wcfnet_a_snn(wcfnet, a)
%
%         wcfnet - net_struct with cost function wcf_snn.
%         a      - [NL x 1] matrix of output variable weights.
%
%  (NL = #outputs)
%

if ~strcmp(get_costfcn_name_snn(get_net_costfcn_snn(net)), 'wcf_snn')
   error('Network does not have correct cost funtion');
end

if ~(isempty(a))

   if ~(size(a,2) == 1)
      error('Size of second dimension of ''a'' must be 1');
   end

   if ~(size(a,1) == size(net.biases{net.numLayers}, 1))
      error('Size of first dimension of ''a'' must equal number of outputs in the network');
   end
end

costfcn_struct = get_net_costfcn_snn(net);
costfcn_struct = set_wcf_a_snn(costfcn_struct, a);
net = set_net_costfcn_snn(net, costfcn_struct);