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onexf

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖúPlot3Dͼ

ÎÒÏë×öÒ»¸ö¹ØÓÚy=l^2*m^2 + m^2*n^2 + n^2*l^2µÄÈýάͼ£¬ÆäÖÐl,m,nΪÈý¸ö»ùʸ£¬ÓÃmathematica×÷ͼ³öÏÖÁËÒ»²»¶Ô³ÆµÄÏÖÏ󣬴æÔÚÆæµã£¬Çë¸ßÊÖ¸ø¿´¿´£º

l = Cos[a] Sin [ b ];
m = Sin[a] Sin [ b ];
n = Cos [ b ];
y = l^2*m^2 + m^2*n^2 + n^2*l^2;
SphericalPlot3D[y, {a, 0, 2 Pi}, {b, 0, Pi}]

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rachel9610

½ð³æ (СÓÐÃûÆø)

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΢³¾¡¢ÃÎÏë(½ð±Ò+2): лл»Ø¸´£¡ 2011-05-01 18:22:29
onexf(½ð±Ò+10): xx! 2011-05-01 21:18:23
ÒýÓûØÌû:
Originally posted by onexf at 2011-04-29 14:32:47:
ÎÒÏë×öÒ»¸ö¹ØÓÚy=l^2*m^2 + m^2*n^2 + n^2*l^2µÄÈýάͼ£¬ÆäÖÐl,m,nΪÈý¸ö»ùʸ£¬ÓÃmathematica×÷ͼ³öÏÖÁËÒ»²»¶Ô³ÆµÄÏÖÏ󣬴æÔÚÆæµã£¬Çë¸ßÊÖ¸ø¿´¿´£º

l = Cos[a] Sin [ b ];
m = Sin[a] Sin [ b ];
n = Cos [  ...

your Mathematica code is (almost) correct. All you need to change in your
code is the last line: simply switch a and b!
Your code:
SphericalPlot3D[young,{a,0,2Pi},{b,0,Pi}]
Corrected version:
SphericalPlot3D[young,{b,0,2Pi},{a,0,Pi}]
2Â¥2011-05-01 13:19:33
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