资 源 简 介
拉格朗日插值法构造通过n+1个互异点上的次数不超过n的插值多项式P（x),利用此多项式计算在某一点的值-Lagrange interpolation structures differ by n+1 points on a number of no more than n, the interpolation polynomial P (x), take advantage of this polynomial calculation of the value of a point
