approximate a function using Hermite spline

f:[0,5] -> R, f(x)= 1/(1+x^2) and 4 equidistant nodes from [0,5]. I need to approximate f(pi), f'(pi) and f''(pi) using a Hermite spline. Please give me some ideas for this algorithm.

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2011 年 5 月 22 日

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