摘要： 数值分析的两种插值：拉格朗日插值和牛顿插值 拉格朗日四次插值 python代码： 1 def lagrange(x,y,n,xk,Nk): 2 f=[0.0,0.0,0.0,0.0,0.0] 3 for i in range(0,n): 4 f[i]=y[i] 5 k=0 6 for j in ra 阅读全文