#include <stdlib.h>
#include <stdio.h>
#include <time.h>
int M[10]; //权值
int X[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; //输入向量
int Y[10] = {1, 0, 1, 0, 1, 0, 1, 0, 1, 0}; //理想输出向量, 0 表示奇数， 1表示偶数
int O[10]; //保存输出向量
int ST = 100; //阈值
void initM ()//初始化权值
{
int x = 0;
srand ((unsigned int)time(0));
for (x = 0; x < 10; ++x) {
M[x] = rand () % 100;
}
}
int active (int m, int x)//跃迁型激活函数
{
int o = m * x;
if (o > ST) {
return 1;
} else {
return 0;
}
}
void calcY ()//计算输出向量
{
int x = 0;
for (x = 0; x < 10; ++x) {
O[x] = active (M[x], X[x]);
}
}
int adjustM ()
{//根据实际输出向量和理想输出向量调整权向量, 返回实际输出和理想输出不匹配的数目
int err = 0;
int x = 0;
for (x = 0; x < 10; ++x) {
if (O[x] != Y[x])
{
err ++;
if (0 == O[x]) {
M[x] += X[x];
} else {
M[x] -= X[x];
}
}
}
return err;
}
void printM ()
{
int x = 0;
for (x = 0; x < 10; ++x) {
printf ("M[%d] = %d\n", x, M[x]);//输出权值
}
}
void test (int input)
{
printf ("[%d] [%d] ", M[input], X[input]);
if (active (M[input], X[input]))
{
printf ("%d 是 偶数\n", input);
} else {
printf ("%d 是 奇数\n", input);
}
}
int main ()
{
int n = 0;
initM ();
while (1)
{//一直训练直到能够100%正确为止
n++;
calcY ();
int err = adjustM ();
if (err<=0) {//结束训练
break;
}
printf ("错误数 %d\n", err);
}
printM ();
printf ("阈值 %d 训练次数 %d\n", ST, n);
while (1)
{
int a = 0;
printf("Please input a number from 0 to 9!! \n");
scanf ("%i", &a);
if (0 > a || 9 < a)
printf("The number you input not right!\n");
else
test (a);
}
return 0;
}
