gusucode.com > 《MATLAB神经网络超级学习手册》随书光盘源码程序 > code/7/N7_3.m
clear all clc p = [-6.0 -6.1 -4.1 -4.0 +4.0 +4.1 +6.0 +6.1]; t = [+0.0 +0.0 +.97 +.99 +.01 +.03 +1.0 +1.0]; wv = -1:.1:1; bv = -2.5:.25:2.5; es = errsurf(p,t,wv,bv,'tansig'); plotes(wv,bv,es,[60 30])