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Re:况且是不是精度问题还不知道zIn Reply To:Re:况且是不是精度问题还不知道z Posted by:041221125 at 2006-06-20 15:30:38 > 确实是 > 可是在算法不懂的时候 > 用高精度如果可以过说明方法对的 > 可是过不了就什么也说明不了 > > 有一点不是很清楚 > > 对 > a*x^2 + b*y^2 + c*x*y + d*x + e*y + f = 0 > 按五点坐标代进去解方程组 > 是否方程组有唯一解 <=> 椭圆面积存在? 五个方程六个未知数显然一般不会唯一解 Followed by: Post your reply here: |
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