给定n个节点xi[i=0,1,...,n-1]上的函数值yi=[xi]以及一届倒数值yi =f [xi],用埃尔米特插值公式计算指定插值点t处的函数近似值z=f[t]-Given n nodes xi [i = 0,1 ,..., n-1] on the function value yi = [xi], as well as previous numerical inverted yi ' = f'　[xi], using Hermite interpolation value calculated interpolation points t Department designated function approximation z = f [t]