MATLAB三维散点图绘制想要实现以下功能:x=b1-20;y=a1-20;z=13*sin(r)+sqrt(169-(y-13*cos(r))^2);其中:x∈(0,20);y∈(0,20);r∈(0,0.5*pi)我想着这应该是一堆散点,想要在三维坐标下绘制出这些点,然后
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![MATLAB三维散点图绘制想要实现以下功能:x=b1-20;y=a1-20;z=13*sin(r)+sqrt(169-(y-13*cos(r))^2);其中:x∈(0,20);y∈(0,20);r∈(0,0.5*pi)我想着这应该是一堆散点,想要在三维坐标下绘制出这些点,然后](/uploads/image/z/3935944-64-4.jpg?t=MATLAB%E4%B8%89%E7%BB%B4%E6%95%A3%E7%82%B9%E5%9B%BE%E7%BB%98%E5%88%B6%E6%83%B3%E8%A6%81%E5%AE%9E%E7%8E%B0%E4%BB%A5%E4%B8%8B%E5%8A%9F%E8%83%BD%EF%BC%9Ax%3Db1-20%3By%3Da1-20%3Bz%3D13%2Asin%28r%29%2Bsqrt%28169-%28y-13%2Acos%28r%29%29%5E2%29%3B%E5%85%B6%E4%B8%AD%EF%BC%9Ax%E2%88%88%EF%BC%880%2C20%EF%BC%89%EF%BC%9By%E2%88%88%EF%BC%880%2C20%EF%BC%89%3Br%E2%88%88%EF%BC%880%2C0.5%2Api%EF%BC%89%E6%88%91%E6%83%B3%E7%9D%80%E8%BF%99%E5%BA%94%E8%AF%A5%E6%98%AF%E4%B8%80%E5%A0%86%E6%95%A3%E7%82%B9%2C%E6%83%B3%E8%A6%81%E5%9C%A8%E4%B8%89%E7%BB%B4%E5%9D%90%E6%A0%87%E4%B8%8B%E7%BB%98%E5%88%B6%E5%87%BA%E8%BF%99%E4%BA%9B%E7%82%B9%2C%E7%84%B6%E5%90%8E)
MATLAB三维散点图绘制想要实现以下功能:x=b1-20;y=a1-20;z=13*sin(r)+sqrt(169-(y-13*cos(r))^2);其中:x∈(0,20);y∈(0,20);r∈(0,0.5*pi)我想着这应该是一堆散点,想要在三维坐标下绘制出这些点,然后
MATLAB三维散点图绘制
想要实现以下功能:
x=b1-20;
y=a1-20;
z=13*sin(r)+sqrt(169-(y-13*cos(r))^2);
其中:
x∈(0,20);y∈(0,20);r∈(0,0.5*pi)
我想着这应该是一堆散点,想要在三维坐标下绘制出这些点,然后写了几行代码:
---------------------------------------------
a1=0:1:20;
b1=0:1:20;
r=0:0.5*pi/20:0.5*pi;
x=b1-20;
y=a1-10;
z=13*sin(r)+sqrt(169-(y-13*cos(r))^2);
[X,Y,Z]=meshgrid(x,y,z);
plot3(X,Y,Z);
---------------------------------------------
运行会出错,楼主刚入门matlab,不知道应该再怎样做,)
MATLAB三维散点图绘制想要实现以下功能:x=b1-20;y=a1-20;z=13*sin(r)+sqrt(169-(y-13*cos(r))^2);其中:x∈(0,20);y∈(0,20);r∈(0,0.5*pi)我想着这应该是一堆散点,想要在三维坐标下绘制出这些点,然后
>> a1=0:1:20;
>>b1=0:1:20;
>>r=0:0.5*pi/20:0.5*pi;
>>x=b1-20;
>>y=a1-10;
>> z=13*sin(r)+sqrt(169-(y-13*cos(r)).^2);
>> scatter3(x,y,z)