文件名称:hw2.cpp
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用算法构造Langrange插值多项式 和 Newton多项式，分别取两组插值节点，并与精确值比较，得出误差。并按如下形式输出
N=5
Max Error of grid (1) : XXXXXXXXXXXXXXXXX
Max Error of grid (2) : XXXXXXXXXXXXXXXXX
-Algorithm structure with Langrange polynomial interpolation polynomial and Newton, respectively, were interpolated from the node, and accurate value comparison, the error. The following forms of output and N = 5 Max Error of grid (1): XXXXXXXXXXXXXXXXX Max Error of grid (2): XXXXXXXXXXXXXXXXX
N=5
Max Error of grid (1) : XXXXXXXXXXXXXXXXX
Max Error of grid (2) : XXXXXXXXXXXXXXXXX
-Algorithm structure with Langrange polynomial interpolation polynomial and Newton, respectively, were interpolated from the node, and accurate value comparison, the error. The following forms of output and N = 5 Max Error of grid (1): XXXXXXXXXXXXXXXXX Max Error of grid (2): XXXXXXXXXXXXXXXXX
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hw2.cpp