Program LagrangianInterpolation
Implicit none
Integer :: i, fileid
Integer, parameter :: n1 = 51 !// 插值基节点数
Real(kind=8), parameter :: t0 = 0.d0, t1 = 1.d0 !// 插值区间
Real(kind=8) :: x(n1), y(n1)
!// 获取插值基节点数据
Open ( newunit = fileid, file = 'origin.dat' )
Do i = 1, n1
x(i) = t0
