On the approximation of $ \ exp (-x) $ on the half-axis by spline functions in three-point rational interpolants

A. Ramazanov, V. Magomedova
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Abstract

For the function $f(x)=\exp(-x)$, $x\in [0,+\infty)$ on grids of nodes $\Delta: 0=x_0
三点有理插值中样条函数在半轴上逼近$ \ exp (-x) $
对于函数 $f(x)=\exp(-x)$, $x\in [0,+\infty)$ 关于节点的网格 $\Delta: 0=x_0
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