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ch9.htm
第九章 数值积分与微分
2-9.m
%创建一个BP网络
net = newff([-2 2],[4 1],{'tansig','purelin'},'trainlm','learngdm','msereg');
p = [-2 -1 0 1 2];
t = [0 1 1 1 0];
y = sim(net,p)
%误差向量
e = t-y
%设置性能参数
net.performParam.ratio = 20/(
9-5.m
p=[58478 135185 5.46 0.23 16.5 0.21 1005.3 585.44;
67884 152369 5.46 0.27 18.7 0.26 1105.6 575.03;
74462 182563 6.01 0.25 21.6 0.28 1204.6 601.23;
78345 201587 6.12 0.26 25.8 0.29 1316.5 627.89;
8
9-6.m
P=[0.1254 0.2315 0.3297;
0.2315 0.3297 0.4376;
0.3297 0.4376 0.5425;
0.4376 0.5425 0.6078;
0.5425 0.6078 0.7119]';
T=[0.4376 0.5425 0.6078 0.7119 0.8685];
P_test=[0.6078 0.7119 0
9-8.m
%构建训练样本中的输入向量p
p1=[-0.0909 0.4825 0.9580 0.6643 0.0350 -0.6224;
-0.1408 0.3944 0.9718 0.7183 0.0423 -0.6620;
-0.2500 0.1250 0.9688 0.5000 0.0000 -0.0625;
-0.2984 0.3037 -0.7801 0.0419 -0.3665 -0.8
9-3.m
P=[0.2452 0.1466 0.1314 0.2243 0.5523 0.6642 0.7015 0.6981 0.6821 0.6945 0.7549 0.8215 0.2415 0.3027 0;
0.2217 0.1581 0.1408 0.2304 0.5134 0.5312 0.6819 0.7125 0.7265 0.6847 0.7826 0.8325 0.2385
tgpio9.c
//tgpio9.c
#ifndef _TGPIO9_C
#define _TGPIO9_C
#include "includes.h"
#include "includes_async.h"
#include "tgpio9.h"
void InitArmGpio(Uint16 msk)
{
GPIO_RSET(PCR,msk);
//todo:
//void GPIO_
tgpio9.h
//tgpio9.h
#ifndef _TGPIO9_H
#define _TGPIO9_H
#ifndef _TGPIO9_C
#undef EXTERNAL
#define EXTERNAL extern
#else
#undef EXTERNAL
#define EXTERNAL extern
#endif
#define ARM_GPIO_MASK 0x0000