运行错误

[cleverblue]

Error using -
Matrix dimensions must agree.
Error in act (line 10)
E=exp(x- max(x,[],2));
Error in activation_init_cpu>@(x)act(x,act_fun) (line 26)
layer.act=@(x)act(x,act_fun);
Error in activation_ff (line 5)
layer.output=layer.act(prelayer.output);
Error in activation_init_cpu>@(layer,prelayer)activation_ff(layer,prelayer) (line 28)
layer.ff=@(layer,prelayer)activation_ff(layer,prelayer);
Error in model_train (line 36)
model.layers{l}=model.layers{l}.ff(model.layers{l},model.layers{l-1});
Error in model_init>@(model,x,y,nb_epoch,verbose,filename)model_train(model,x,y,nb_epoch,verbose,filename) (line 57)
model.train=@(model,x,y,nb_epoch,verbose,filename)model_train(model,x,y,nb_epoch,verbose,filename);
Error in test_mlp (line 19)
model=model.train(model,x,y,nb_epoch,3,0);%not save
Error in example_Test (line 250)
test_mlp(50,[512,512,512],256,64,5)