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/473419/6852665
dfm u_fr_yearper.dfm
object Fr_yearper: TFr_yearper
Left = 0
Top = 0
Width = 455
Height = 298
TabOrder = 0
object DBChart1: TDBChart
Left = 0
Top = 0
Width = 455
Height = 298
All
www.eeworm.com/read/295431/8163977
m q253.m
%《MATLAB及在电子信息课程中的应用》第二章第五节演示程序三q253
% 彩色和动画
% 电子工业出版社出版 陈怀琛 吴大正 高西全合著 2001年10月初版，2003年7月第二版
%
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
set(gc
www.eeworm.com/read/295431/8164363
m q253.m
%《MATLAB及在电子信息课程中的应用》第二章第五节演示程序三q253
% 彩色和动画
% 电子工业出版社出版 陈怀琛 吴大正 高西全合著 2001年10月初版，2003年7月第二版
%
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
set(gc
www.eeworm.com/read/395537/8168757
m nad.m
% nad.m -- Newton/Armijo/Descent script for unconstrained minimization
%
% Script applies lightly-modified Newton method to a given function,
% using workspace variables described below:
% fname -
www.eeworm.com/read/395537/8168894
m nad.m
% nad.m -- Newton/Armijo/Descent script for unconstrained minimization
%
% Script applies lightly-modified Newton method to a given function,
% using workspace variables described below:
% fname -
www.eeworm.com/read/394381/8227439
m quadeg1.m
%微积分例1:一元函数求导（diff,gradient)
clear;close;
x=-2*pi:0.1:2*pi;
y=sin(x);
dy=diff(y)./diff(x);
plot(x,y,x(1:length(x)-1),dy);
hold on;
yx =gradient(y,x);
plot(x,yx,'ro');
www.eeworm.com/read/394381/8227475
m quadeg2.m
%微积分例2:二元函数求导（gradient)
clear;close;
xa=-1:0.1:1;ya=-1:0.1:1;
[x,y]=meshgrid(xa,ya);
F=y.*x.^2+y.^3.*x;
[fx,fy]=gradient(F,xa,ya);
subplot(1,2,1);mesh(fx);
subplot(1,2,2);mesh(fy);
www.eeworm.com/read/393013/8315147
m huituldqm.m
z=peaks;
surf(z);
shading interp
hold on
[c ch]=contour3(z,20);
set(ch,'edgecolor','b');
[u v]=gradient(z);
h=streamslice(-u,-v);
set(h,'color','k')
for i=length(h);
zi=interp2(z,get(h(i
www.eeworm.com/read/393013/8315213
m huituxl.m
[x,y,z]=peaks(30);
[dx,dy]=gradient(z,.2,.2);
contour(x,y,z)
hold on
quiver(x,y,dx,dy)
colormap autumn
grid off
hold off
www.eeworm.com/read/393013/8315269
m huitutm2.m
[x,y]=meshgrid([-2:.2:2]);
z=x.*exp(-x.^2-y.^2);
%surf(x,y,z,gradient(z));
surf(x,y,z,'facealpha','flat',...
'alphadatamapping','scaled',...
'alphadata',gradient(z),...
'facecolor','