用拉格朗日插值多项式求函数近似值 在visual C++ 6.0可以查看源代码-Lagrange interpolation polynomial for function approximation in the visual C++ 6.0 can view the source code

拉格朗日差值和牛顿（线性插值）函数示例，将结果输出到文本文件-Lagrangian difference and Newton (linear interpolation) function example, to output the results to a text file