对原PSO工具箱进行了该进，主要是修正了神经网络训练部分的几个漏洞。-modified some lines in the toolbox, especially in the part of training neural net. some bug fixed.

自编程序，可以用于BP神经网络预测，利用PSO进行参数寻优，具有较好的效果-Self programming, can be used for BP neural network, using the PSO for parameter optimization, with good results