
zhb 发表于 2012-7-5 23:53
a11 = 3.609*10^7; a12 = ) m3 O% v K( K/ C" [: a, N
2.284*10^8; a111 = 1.437*10^8; a112 = 6.630*10^8; a123 = -3.151*10^9 ...
zhb 发表于 2012-7-5 23:53
a11 = 3.609*10^7; a12 = " @6 p6 Q: t5 o% b7 a
2.284*10^8; a111 = 1.437*10^8; a112 = 6.630*10^8; a123 = -3.151*10^9 ...
风筝11 发表于 2012-7-6 23:055 d2 ^' y6 @7 @( k3 h# H
过奖了~~因为我也百度过那个心
我学通信的。。因为想参加建模竞赛,所以学了点mathematica 那些老师上课都 ...
zhb 发表于 2012-7-6 00:23
还有啊,
ContourPlot3D[(x^2 + (9 y^2)/4 + z^2 - 1)^3 - x^2 z^3 - (9 y^2 z^3)/3 H; j( }3 r! e
80 == 0, {x, -1 ...
sycxyc 发表于 2012-7-7 15:44( b6 u( o: o ?- y1 q* C: r) A/ |. W
5.0代码要有些变化
先' c0 t% g# M. H" I7 g
{9, 9},ContourStyle -> {RGBColor[1, 0.0, 0.0]}]
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