用matlab画旋转抛物面

你可以使用以下代码在MATLAB中画出旋转抛物面：

clc, clear, close all

% 定义参数
a = 2; % 抛物面的参数

% 创建网格
x = -5:0.1:5;
y = -5:0.1:5;
z = -5:0.1:5;
\[X, Y, Z\] = meshgrid(x, y, z);

% 计算抛物面方程
V = Y.^2 - (X.^2 + Z.^2) / a;

% 绘制等值面
isosurface(X, Y, Z, V, 0)

% 设置坐标轴和网格
grid on
axis equal

这段代码会画出一个旋转抛物面的图形。你可以根据需要调整参数a来改变抛物面的形状。
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