文件名称:three_spline
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对于给定（n+1)个节点上的函数值，采用三次样条的方法进行差值，这是一个高阶的插值方法，它既有良好的收敛性又比较光滑。它实际上是由分段三次曲线连接而成，在接点处有2阶连续导数。-For a given (n+ 1) nodes on the function value, using cubic spline approach the margin, this is a high-order interpolation methods, it has both a good convergence also relatively smooth. It is actually the third curve from the sub-linking in contact there is 2-order continuous derivative.
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三次样条_ C++实现
.................\jiedian.txt
.................\print.txt
.................\三次样条_070460.cpp
.................\jiedian.txt
.................\print.txt
.................\三次样条_070460.cpp