matlab 绘制立体曲面图绘制x^2/4+y^2/9+z^2/16=1t=-2:0.1:2;r=-3:0.1:3;[u,v]=meshgrid(t,r);X=2*sin(u).*cos(v);Y=3*sin(u).*sin(v);Z=4*cos(u);surf(X,Y,Z); 这个代码有什么问题啊,为什么缺了啊?
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![matlab 绘制立体曲面图绘制x^2/4+y^2/9+z^2/16=1t=-2:0.1:2;r=-3:0.1:3;[u,v]=meshgrid(t,r);X=2*sin(u).*cos(v);Y=3*sin(u).*sin(v);Z=4*cos(u);surf(X,Y,Z); 这个代码有什么问题啊,为什么缺了啊?](/uploads/image/z/886584-48-4.jpg?t=matlab+%E7%BB%98%E5%88%B6%E7%AB%8B%E4%BD%93%E6%9B%B2%E9%9D%A2%E5%9B%BE%E7%BB%98%E5%88%B6x%5E2%2F4%2By%5E2%2F9%2Bz%5E2%2F16%3D1t%3D-2%3A0.1%3A2%3Br%3D-3%3A0.1%3A3%3B%5Bu%2Cv%5D%3Dmeshgrid%28t%2Cr%29%3BX%3D2%2Asin%28u%29.%2Acos%28v%29%3BY%3D3%2Asin%28u%29.%2Asin%28v%29%3BZ%3D4%2Acos%28u%29%3Bsurf%28X%2CY%2CZ%29%3B+%E8%BF%99%E4%B8%AA%E4%BB%A3%E7%A0%81%E6%9C%89%E4%BB%80%E4%B9%88%E9%97%AE%E9%A2%98%E5%95%8A%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E7%BC%BA%E4%BA%86%E5%95%8A%3F)
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