Numerical Summation of a SeriesTime limit: 10 Seconds   Memory limit: 32768K   Special JudgeTotal Submit: 1403   Accepted Submit: 711   Produce a table of the values of the series  Equation 1

 we can know this:so we can use   N to substitute the denotation of infinitude :  /**//*--------------------------------------------------------------------------- author    :   yx

 Lab 2.  Lagrange Polynomial         Given a set of sample points of a certain function f , use Lagrange polynomial to approximate function values at some given points   a1a2 ,…,am                .