[问题] BP神经网络预测归一化后提示出错？？？

[xma]

哪位大侠帮忙看一下啊！不胜感激！
P=[0.5714 0.8611 0.4923 0.5161 0.2586 0 0.4118 0.4625 0.7532 0.4691 0 0.0857 0 0.0364 0 0.5248 0.4912 0 0.2917 0.0615 0.7143 0.7200 0.7857 1.0000
1.0000 0.6389 0.9077 0.7742 0.7586 0.5568 0.7647 0.6625 0.7792 1.0000 0.7714 0.9000 0.8197 1.0000 1.0000 1.0000 0 0.1400 0 0 1.0000 0.8000 0.9762 0.5789
0.3750 0.8194 0.1231 1.0000 1.0000 0.6591 0.7647 0.5750 0.7662 0.7778 0.9429 0.9429 0.5246 0.6727 0.2381 0.2673 0.4737 0.6600 0.5417 0.4923 0.4286 0.6400 0.7619 0.7018
0.8214 1.0000 0.5538 0.5484 0.8793 0.7273 0.8824 1.0000 1.0000 0.7160 1.0000 1.0000 1.0000 0.9273 0.8730 0.4851 1.0000 1.0000 1.0000 1.0000 0.9643 1.0000 1.0000 0.4561
0.8750 0.9306 0.6308 0.9677 0.7931 0.6932 0.8382 0.7750 0.8571 0.7531 0.6000 0.9286 0.5574 0.4727 0.8730 0.4752 0.1404 0.0800 0.4028 0.6154 0.6786 0.5600 0.5476 0.4035]';
T=[0.4821 0.7500 0.4154 0.5484 0.9138 1.0000 1.0000 0.5625 0.3896 0.4074 0.5143 0.8000 0.9672 0.8727 0.8095 0.4455 0.6667 0.9400 0.7778 0.7846 0 0.1400 0 0]';
net=newff(minmax(P),[49,24],{'tansig','purelin'},'traingdm','learngdm');
net.trainParam.epochs=20000;
net.trainParam.goal=0.0001;
net.trainParam.show=500;
net.trainParam.mc=0.95;
net.trainParam.lr=0.01;
net=train(net,P,T);
错误提示：
??? Error using ==> network.train
Targets are incorrectly sized for network.
Matrix must have 5 columns.

Error in ==> weerr at 21
net=train(net,P,T);