表白專用代碼拿走不謝

%數學之心
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;%在一個圖中畫多個圖
plot(x,z);
title('');
legend('心');