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
vb.net编写的动态连接库,可通过该动态连接库传入传出数据,传出的数据写入指定的文件夹中-vb.net prepared by the dynamic link library, through the dynamic link library data came out, the reported data into a file folder