MATLAB学习-plot画图

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问题

利用MATLAB绘图，设置图形曲线及相关标记

示例

%% 环境：matlab2021a             %%
%% 时间：2021-12-8               %%
%% 作者：keegbin                 %%
%% 功能：（1）测试plot绘图设置    %%
%%       （2）plot-Latex解释     %%

clc;
clear;
close all;

[x,y] = meshgrid(-2:0.01:2, -4:0.01:4);    % 预设网格
z = (x.*x)/(2*2) + (y.*y)/(4*4);           % 计算函数值
figure,mesh(x,y,z);                        % 显示曲面z及坐标轴
h1 = xlabel("$$ x[m] $$","FontSize",20,"LineWidth",2);
h2 = ylabel("$$ y[m] $$","FontSize",20,"LineWidth",2);
h3 = zlabel("$$ z[m] $$","FontSize",20,"LineWidth",2);
set([h1,h2,h3],"Interpreter","latex","FontSize",20,"LineWidth",2);

h4 = legend("$$ z=\frac{{x^2}}{{2^2}}+\frac{{y^2}}{{4^2}} $$");  % latex分式
set(h4,'Interpreter','latex','Location','SouthOutside',"FontSize",10,"LineWidth",1.5)       % 设置legend为latex解释器显示分式

set(gca,"FontName","Times New Roman","FontSize",10,"LineWidth",1);