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Re:况且是不是精度问题还不知道zIn Reply To:况且是不是精度问题还不知道z Posted by:frkstyc at 2006-06-20 15:21:28 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？ Followed by:
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