Meanwhile, considering that Newton iterative method is sensitive to the initial value of parameters, the paper studied generated methods for initial values on basis of data interpolation and fitting.
针对牛顿迭代法收敛精度和速度受初值影响的问题，基于数据插值和拟合方法，研究了迭代初值生成技术。
Engineering applications, the interpolation and regression (curve fitting) function expression usually are used to describe data to solve the problem.
工程应用中通常用插值和回归(曲线拟合)解决函数表达式描述数据的问题。
Also, the fitting formula of piecewise parabola interpolation is derived. The error evaluation based on ISO is accomplished for both experiential formula and parabola fitting formula.
导出了分段抛物线插值拟合公式，并对经验公式和抛物线拟合公式均以iso为基准进行了误差评估。
A data fusion algorithm for sample set transforms surface problem into a curve fitting problem and a curve interpolation problem.
该算法将曲面问题转化为一个曲线拟合问题和一个曲线插值问题。
The interpolation polynomial is applied in curve fitting for easy calculation and analysis and better representation of CT10%error curve.
采用多项式拟合曲线，可以发挥其便于计算和分析的优点，能够更好地反映电流互感器10%误差特性，使用方便。
Three-dimensional MCG is plotted by the way of bilinear interpolation and higher fitting.
通过线性插值和高阶拟合的方法，绘制出人体心脏各个时刻的等磁图。
For elevation data, a regularized interpolation for resampling and an algorithm for extracting terrain roughness and slope with landing area plane fitting are presented.
针对高程数据，给出一种规则化插补的重采样方法和基于着陆区平面拟合的粗糙度与坡度提取算法。
We match AERONET ground-based data with MODIS aerosol product by band interpolation and temporal-spatial matching, then compare and evaluate them by linear fitting.
采用波长插值、时空匹配将地基数据和MODIS气溶胶产品匹配在一起，然后采用线性拟合的方法进行对比分析。
Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss Angle measurement.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法，对两种算法的分析和比较有利于它们在实际中的应用。
Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss Angle measurement.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法，对两种算法的分析和比较有利于它们在实际中的应用。
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