表白专用代码拿走不谢

%数学之心
figure;
clc;
x=-2:0.01:2;
y=sqrt(2*sqrt(x.^2)-x.^2);
z=asin(abs(x)-1)-pi./2;
plot(x,y);
grid on;
hold on;%在一个图中画多个图
plot(x,z);
title('');
legend('心');

在这里插入图片描述

2021.2.25追加

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