:
确定自变量x和y的取值范围和取值间隔
利用meshgrid函数生成“格点”矩阵
计算自变量采样“格点”上的函数值:Z = f(x,y)
matlab中提供了mesh函数用于实现绘制网格图:
mesh...,主要与faced配合使用
lighting gouraud:先对定点颜色插补,在对定点勾画的面色进行插补,用于曲面表现
lighting phong:对定点出的法线插值,在计算个像素的反光,效果好,但费时...2,3,5);ribbon(y2,z2)
colormap hsv
title('三维彩带图');axis equal;
[X3,Y3] = meshgrid(-2:0.25:2,-1:0.2:1);
Z3...= X3 .* exp(-X3.^2 - Y3.^2);
[U,V,W] = surfnorm(X3,Y3,Z3);
subplot(2,3,6);quiver3(X3,Y3,Z3,U,V,W,0.5...);
hold on
surf(X3,Y3,Z3);
colormap hsv
view(-35,45);
title('三维向量场图');axis equal;
set(gcf,'Color','w