* 用埃特金插值法依据N个已知数据点计算函数值 * 输入: n

* 用埃特金插值法依据N个已知数据点计算函数值 * 输入: n--已知数据点的个数N-1 * x--已知数据点第一坐标的N维列向量 * y--已知数据点第二坐标的N维列向量 * xx-插值点第一坐标 * eps--求解精度 * 输出: 函数返回值所求插值点的第二坐标 -* Use Aitken interpolation method based on N-known data points calculation function* Input : n-- known data points the number N-1* x-- known data points of the first N-dimensional coordinates listed Vector* y-- Known number stronghold of the second N-dimensional coordinates listed Vector* xx-point first interpolation coordinates* eps-- Accuracy* output : function return values for the second interpolation point coordinates