图形画出来是爱心的函数是什么,用matlab怎么画 如何用matlab画出心形线
\u600e\u6837\u7528matlab\u753b\u51fa\u5fc3\u5f62\u51fd\u6570\u56fe\u50cf\uff1f\u6e90\u4ee3\u7801:
[x,y,z]=meshgrid(linspace(-1.3,1.3));
val=(x.^2 + (9/4)*y.^2 + z.^2 - 1).^3 - x.^2.*z.^3 - (1/9)*y.^2.*z.^3;
isosurface(x,y,z,val,0);
axis equal;view(-10,24);colormap([1 0.2 0.2])
1\u3001\u5fc3\u5f62\u7ebf\u7684\u6570\u5b66\u5b9a\u4e49\u3002
2\u3001\u7f16\u5236\u7684\u7ed8\u5236\u5fc3\u5f62\u7ebf\u7684matlab\u7a0b\u5e8f\u4ee3\u7801\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
3\u3001\u5f53a=10 \u65f6\uff0c\u7ed8\u5236\u7684\u5fc3\u5f62\u7ebf\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
4\u3001\u5f53a\u9010\u6e10\u589e\u5927\u65f6\u7684\u5fc3\u5f62\u7ebf\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff08\u91c7\u7528\u5b50\u56fe\u6a21\u5f0f\uff09\uff1a
5\u3001\u7ed8\u5236\u4e09\u7ef4\u7684\u5fc3\u5f62\u56fe\u5f62\uff0c\u4e0b\u9762\u662f\u7f16\u5236\u7684\u4ee3\u7801\uff1a
6\u3001\u4e0b\u9762\u8fd9\u5e45\u56fe\u7247\u662f\u4e0a\u4e00\u6b65\u7ed8\u5236\u7684\u4e09\u7ef4\u5fc3\u5f62\u56fe\u5f62\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a
心形的函数其实有不少。
最简单、最经典的是心形线：
ezpolar('1-sin(t)')%极坐标方程为r=1-sin(t)
另外的还有
ezpolar('acos(sin(t))')%极坐标方程为r=acos(sin(t))
f1=@(x)sqrt(1-(abs(x)-1).^2);
f2=@(x)acos(1-abs(x))-pi;
x=linspace(-2,2);
plot(x,f1(x),'r',x,f2(x),'r')
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