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/430091/8767525
m ex234.m
%********************************************************
%程序：EX234.M
%功能：工作空间直接做图法使用实例
%********************************************************
[x,y,z]=peaks(30); %定义图形peaks
contour(x,y,z
www.eeworm.com/read/429878/8784155
htm rosegrad.htm
Netlab Reference Manual rosegrad
rosegrad
Purpose
Calculate gradient of Rosenbrock's function.
Synopsis
g = ros
www.eeworm.com/read/377912/9258120
m ex234.m
%********************************************************
%程序：EX234.M
%功能：工作空间直接做图法使用实例
%********************************************************
[x,y,z]=peaks(30); %定义图形peaks
contour(x,y,z
www.eeworm.com/read/170203/9814762
m p0309.m
[I,map]=imread('3-22.jpg');
imshow(I,map);
I=double(I);
[Gx,Gy]=gradient(I); % 计算梯度
G=sqrt(Gx.*Gx+Gy.*Gy); % 注意是矩阵点乘
J1=G;
figure,imshow(J1,map); % 第一种图像增强
J2=I;
www.eeworm.com/read/362500/9996144
m grad1.m
function df=grad1(x)
%GRAD1 Calcualtes Jocobian of objective function for training NNPLS
% Routine to calculate the Jacobian of fun1 for optimization with leastsq.
% grad1 here is different from
www.eeworm.com/read/164813/10086855
m p0309.m
[I,map]=imread('3-22.jpg');
imshow(I,map);
I=double(I);
[Gx,Gy]=gradient(I); % 计算梯度
G=sqrt(Gx.*Gx+Gy.*Gy); % 注意是矩阵点乘
J1=G;
figure,imshow(J1,map); % 第一种图像增强
J2=I;
www.eeworm.com/read/271157/11005200
m p0309.m
[I,map]=imread('3-22.jpg');
imshow(I,map);
I=double(I);
[Gx,Gy]=gradient(I); % 计算梯度
G=sqrt(Gx.*Gx+Gy.*Gy); % 注意是矩阵点乘
J1=G;
figure,imshow(J1,map); % 第一种图像增强
J2=I;
www.eeworm.com/read/381420/6957318
m ex234.m
%********************************************************
%程序：EX234.M
%功能：工作空间直接做图法使用实例
%********************************************************
[x,y,z]=peaks(30); %定义图形peaks
contour(x,y,z
www.eeworm.com/read/467806/7001669
txt 例1.48.txt
例1.48 数据差分和积分。
>> X=[5.3 13 0.4; 5.1 11.8 -1.7;
3.7 8.1 0.6; 1.5 7.7 -4.5];
>> gradient(X)
ans =
7.7000 -2.4500 -12.6000
6.7000 -3.4000 -13.5000
4.4000 -1.5500
www.eeworm.com/read/465867/7047794
m ex234.m
%********************************************************
%程序：EX234.M
%功能：工作空间直接做图法使用实例
%********************************************************
[x,y,z]=peaks(30); %定义图形peaks
contour(x,y,z