#---Author：伍思磊---
#---Mail:wusilei@1006.tv---
#---2015/7/27---

import?random
import?math

#---神經(jīng)網(wǎng)絡(luò)Model---
class?Ann:
????#構(gòu)造函數(shù)?初始化模型參數(shù)
????def?__init__（self?i_num?h_num?o_num）:
????????#可調(diào)參數(shù)
????????self.learn_rate?=?0.1????#學(xué)習(xí)率
????????self.num_long?=?2????????#輸出結(jié)果位數(shù)
????????self.random_long?=?10????#隨機(jī)種子位數(shù)

????????#輸入?yún)?shù)
????????self.input_num?=?i_num???#輸入層?數(shù)量
????????self.hidden_num?=?h_num??#隱層?數(shù)量
????????self.output_num?=?o_num??#輸出層?數(shù)量

????????#模型參數(shù)
????????self.input?=?[]??????????#輸入層
????????self.hidden?=?[]?????????#隱層
????????self.output?=?[]?????????#輸出層
????????self.error?=?[]??????????#誤差
????????self.expectation?=?[]????#期望
????????self.weight_ih?=?self.__ini_weight（self.input_num?self.hidden_num）???#輸入層->隱層?連接權(quán)
????????self.weight_ho?=?self.__ini_weight（self.hidden_num?self.output_num）??#隱層->輸出層?連接權(quán)
????????self.threshold_h?=?self.__ini_threshold（self.hidden_num）??????????????#隱層?閾值
????????self.threshold_o?=?self.__ini_threshold（