#include?“BpNet.h“

using?namespace?std;

BpNet::BpNet（）
{
	srand（（unsigned）time（NULL））;????????//?隨機數種子????
	error?=?100.f;??????????????????????//?error初始值，極大值即可

										//?初始化輸入層
	for?（int?i?=?0;?i?	{
		inputlayer[i]?=?new?inputNode（）;
		for?（int?j?=?0;?j?		{
			inputlayer[i]->weight.push_back（get_11Random（））;
			inputlayer[i]->wDeltaSum.push_back（0.f）;
		}
	}

	//?初始化隱藏層
	for?（int?i?=?0;?i?yer;?i++）
	{
		if?（i?==?hidelayer?-?1）
		{
			for?（int?j?=?0;?j?			{
				hiddenlayer[i][j]?=?new?hiddenNode（）;
				hiddenlayer[i][j]->bias?=?get_11Random（）;
				for?（int?k?=?0;?k?				{
					hiddenlayer[i][j]->weight.push_back（get_11Random（））;
					hiddenlayer[i][j]->wDeltaSum.push_back（0.f）;
				}
			}
		}
		else
		{
			for?（int?j?=?0;?j?			{
				hiddenlayer[i][j]?=?new?hiddenNode（）;
				hiddenlayer[i][j]->bias?=?get_11Random（）;
				for?（int?k?=?0;?k?yer[i][j]->weight.push_back（get_11Random（））;?}
			}
		}
	}

	//?初始化輸出層
	for?（int?i?=?0;?i?	{
		outputlayer[i]?=?new?outputNode（）;
		outputlayer[i]->bias?=?get_11Random（）;
	}
}

void?BpNet::forwardPropagationEpoc（）
{
	//?forward?propagation?on?hidden?layer
	for?（int?i?=?0;?i?yer;?i++）
	{
		if?（i?==?0）
		{
			for?（int?j?=?0;?j?			{
				double?sum?=?0.f;
				for?（int?k?=?0;?k?				{
					sum?+=?inputlayer[k]->value?*?inputlayer[k]->weight[j];
				}
				sum?+=?hiddenlayer[i][j]->bias;
				hiddenlayer[i][j]->value?=?sigmoid（sum）;
			}
		}
		else
		{
			for?（int?j?=?0;?j?			{
				double?sum?=?0.f;
				for?（int?k?=?0;?k?				{
					sum?+=?hiddenlayer[i?-?1][k]->value?*?hiddenlayer[i?-?1][k]->weight[j];
				}
				sum?+=?hiddenlayer[i][j]->bias;
				hiddenlayer[i][j]->value?=?sigmoid（sum）;
			}
		}
	}

	//?forward?propagation?on?output?layer
	for?（int?i?=?0;?i?	{
		double?sum?=?0.f;
		for?（int?j?=?0;?j?		{
			sum?+=?hiddenlayer[hidelayer?-?1][j]->value?*?hiddenlayer[hidelayer?-?1][j]->weight[i];
		}
		sum?+=?outputlayer[i]->bias;
		outputlayer[i]->value?=?sigmoid（sum）;
	}
}

void?BpNet::backPropagationEpoc（）
{
	//?backward?propagation?on?output?layer
	//?--?compute?delta
	for?（int?i?=?0;?i?	{
		double?tmpe?=?fabs（outputlayer[i]->value?-?outputlayer[i]->rightout）;
		error?+=?tmpe?*?tmpe?/?2;

		outputlayer[i]->delta
			=?（outputlayer[i]->value?-?outputlayer[i]->rightout）*（1?-?outputlayer[i]->value）*outputlayer[i]->value;
	}

	//?backward?propagation?on?hidden?layer
	//?--?compute?delta
	for?（int?i?=?hidelayer?-?1;?i?>=?0;?i--）????//?反向計算
	{
		if?（i?==?hidelayer?-?1）
		{
			for?（int?j?=?0;?j?			{
				double?sum?=?0.f;
				for?（int?k?=?0;?k?yer[k]->delta?*?hiddenlayer[i][j]->weight[k];?}
				hiddenLa

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-03-19?14:37??BpNet\
?????目錄???????????0??2019-02-25?14:26??BpNet\.vs\
?????目錄???????????0??2019-02-25?14:26??BpNet\.vs\BpNet\
?????目錄???????????0??2019-02-25?14:26??BpNet\.vs\BpNet\v14\
?????文件??????885760??2019-03-19?14:37??BpNet\.vs\BpNet\v14\.suo
?????目錄???????????0??2019-03-19?14:36??BpNet\BpNet\
?????文件????????1297??2019-02-25?14:26??BpNet\BpNet.sln
?????文件?????8622080??2019-03-19?14:37??BpNet\BpNet.VC.db
?????文件????????8390??2019-03-19?14:35??BpNet\BpNet\BpNet.cpp
?????文件????????2522??2019-03-19?14:36??BpNet\BpNet\BpNet.h
?????文件????????7484??2019-02-25?14:27??BpNet\BpNet\BpNet.vcxproj
?????文件????????1171??2019-02-25?14:27??BpNet\BpNet\BpNet.vcxproj.filters
?????目錄???????????0??2019-02-25?14:27??BpNet\BpNet\Debug\
?????文件?????????772??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.Build.CppClean.log
?????文件????????1233??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.log
?????文件??????287686??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.obj
?????目錄???????????0??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\
?????文件?????????184??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\BpNet.lastbuildstate
?????文件????????1158??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\CL.command.1.tlog
?????文件???????31464??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\CL.read.1.tlog
?????文件?????????784??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\CL.write.1.tlog
?????文件????????1104??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\link.command.1.tlog
?????文件????????3210??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\link.read.1.tlog
?????文件?????????378??2019-02-25?14:27??BpNet\BpNet\Debug\BpNet.tlog\link.write.1.tlog
?????文件??????322646??2019-02-25?14:27??BpNet\BpNet\Debug\Source.obj
?????文件??????470016??2019-02-25?14:27??BpNet\BpNet\Debug\vc140.idb
?????文件??????413696??2019-02-25?14:27??BpNet\BpNet\Debug\vc140.pdb
?????文件????????1924??2019-02-25?15:11??BpNet\BpNet\Source.cpp
?????目錄???????????0??2019-02-25?14:31??BpNet\BpNet\x64\
?????目錄???????????0??2019-03-19?14:37??BpNet\BpNet\x64\Release\
?????文件???????????3??2019-03-19?14:37??BpNet\BpNet\x64\Release\BpNet.log
............此處省略7個文件信息