埃尔米特函数
- 网络hermite function
埃尔米特函数-
就一般情况给出了三次埃尔米特插值函数的误差公式，并介绍了误差公式的证明方法。
An error formula for cubic-Hermite 's interpolation function was derived and proven for general cases .
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为了求三次埃尔米特插值函数，采用重节点差商的方法，得到了类似于牛顿插值的结果。
To solve cubic-Hermite interpolation functions , the method of divided difference at same node was used , and the result similar to Newton 's interpolation function was obtained .
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利用二阶埃尔米特插值函数把空间梁单元的结点自由度由6个扩充到8个，使井眼曲线的二阶导数连续，提高了计算精度。
When the nodal degrees of freedom in beam element increase from 6 to 8 by the use of Hermit interpolation function , the second derivative for expressing hole curvature becomes continuous , and the calculation precision is improved .