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对于f(x)=1/(1+x^2) (-5<= x <=5)
要求选取11个等距插值节点,分别采用拉格朗日插值和分段线性插值,计算x为0.5, 4.5处的函数值并将结果与精确值进行比较。
输入:区间长度,n(即n+1个节点),预测点
输出:预测点的近似函数值,精确值,及误差
-For f (x) = 1/(1+ x ^ 2) (-5 < = x < = 5) asked to select 11 equidistant interpolation nodes, respectively, using the Lagrange interpolation and piecewise linear interpolation to calculate x for the 0.5, 4.5 and the results of the function values compared with the accurate value. Input: interval length, n (ie n+1 nodes), the forecast points, Output: forecast of the approximate function value points, accurate values, and error
要求选取11个等距插值节点,分别采用拉格朗日插值和分段线性插值,计算x为0.5, 4.5处的函数值并将结果与精确值进行比较。
输入:区间长度,n(即n+1个节点),预测点
输出:预测点的近似函数值,精确值,及误差
-For f (x) = 1/(1+ x ^ 2) (-5 < = x < = 5) asked to select 11 equidistant interpolation nodes, respectively, using the Lagrange interpolation and piecewise linear interpolation to calculate x for the 0.5, 4.5 and the results of the function values compared with the accurate value. Input: interval length, n (ie n+1 nodes), the forecast points, Output: forecast of the approximate function value points, accurate values, and error
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11.cpp
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