代码搜索：gradient
找到约 2,951 项符合「gradient」的源代码
代码结果 2,951
www.eeworm.com/read/429982/8775350
m shili24.m
function shili24
h0=figure('toolbar','none',...
'position',[200 150 450 350],...
'name','实例24');
subplot(2,2,1)
z=peaks;
ribbon(z)
title('Figure1')
subplot(2,2,2)
[x,y,z]=peaks(15);
www.eeworm.com/read/429878/8783833
htm gpgrad.htm
Netlab Reference Manual gpgrad
gpgrad
Purpose
Evaluate error gradient for Gaussian Process.
Synopsis
g = gpgrad
www.eeworm.com/read/385582/8798037
m shili24.m
function shili24
h0=figure('toolbar','none',...
'position',[200 150 450 350],...
'name','实例24');
subplot(2,2,1)
z=peaks;
ribbon(z)
title('Figure1')
subplot(2,2,2)
[x,y,z]=peaks(15);
www.eeworm.com/read/429295/8813165
m bell_sejnowski_ica.m
% Basic Bell-Sejnowski ICA algorithm demonstrated on 2 speech signals.
% The default value of each parameter is given in [] brackets.
% [0] Set to 1 to hear signals.
listen=0; % set to 1 if have
www.eeworm.com/read/428810/8839597
txt matlabbp神经网络的设计实例.txt
BP神经网络的设计实例2007/06/03 00:02例1 采用动量梯度下降算法训练 BP 网络。
训练样本定义如下：
输入矢量为
p =[-1 -2 3 1
-1 1 5 -3]
目标矢量为 t = [-1 -1 1 1]
解：本例的 MATLAB 程序如下：
close all
clear
echo on
clc
% NE
www.eeworm.com/read/383744/8922189
m q253.m
%《MATLAB在电子信息课程中的应用》第二章第五节演示程序三q253
% 动画
% 电子工业出版社出版 陈怀琛 吴大正 高西全合著 2001年10月
echo on,clf,axis equal, % 因为产生的图形是圆形,故把坐标设成相等比例
M = moviein(16); % 为变量M预留16幅图的存储空间
for j=1:16 % 作16次循环
plot(fft
www.eeworm.com/read/383744/8922198
m zy23.m
% 彩色和动画
echo on,clf,axis equal, % 因为产生的图形是圆形,故把坐标设成相等比例
M = moviein(3); % 为变量M预留16幅图的存储空间
for j=1:3 % 作3次循环
pause,plot(fft(eye(j+16))); % 画图
M(:,j)=getframe; % 依次存入M中
end
pause,shg,
www.eeworm.com/read/383744/8922232
asv zy23.asv
% 彩色和动画
echo on,clf,axis equal, % 因为产生的图形是圆形,故把坐标设成相等比例
M = moviein(3); % 为变量M预留16幅图的存储空间
for j=1:3 % 作3次循环
pause,plot(fft(eye(j+16))); % 画图
M(:,j)=getframe; % 依次存入M中
end
pause,shg,
www.eeworm.com/read/427519/8937817
txt contour.txt
xa=-2:0.2:2;
ya=-2:0.5:2;
[x,y]=meshgrid(xa,ya);
z=x.*exp(-x.^2-y.^2);
[px,py]=gradient(z,xa,ya);
contour(x,y,z);
hold on
quiver(x,y,px,py);
hold off
www.eeworm.com/read/427514/8938281
m chazhi.m
z=peaks;
surf(z)
shading interp
hold on
[c ch]=contour(z,20);
set(ch,'edgecolor','b')
[u v]=gradient(z);
h=streamslice(-u,-v);
set(h,'color','k');
for i=1:length(h);
zi=interp2(z,get(h(i),'