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- cubic spline integration 三次样条积分
- Cubic spline interpolant in power exponent form was introduced, and its existence under the first boundary condition was proved. 摘要本文给出了三次样条插值函数的指数形式；在第一类边界条件下，证明了其存在性。
- By means of both the cubic spline functions in the toolbox of MATLAB and the ordinary polynomial interpolation func... 同时也得出了极坐标下的三次样条远优于直角坐标下的多项式.
- So it adopt cubic spline functio n to structure die cavity outline in this article ,the model points may be surve yed on die cavity surface . 因此,这里采用三次样条函数拟合曲线构造模具型腔廓线,其型值点由已有模具型腔测得。
- Linear interpolation, non-linear interpolation and cubic spline interpolation were used to obtain corrected sinogram image. 然后用线性插值、非线性插值和三次样条插值来对伪影弦图进行处理，得到矫正的弦图。
- Conclusions.A mathematical model of the sagittal spine that retains the spine's segmental nuances was derived using cubic spline interpolation. 结论.;通过立方垂直插入的方式，我们获得了保留有椎体节段特点的矢状椎体的数学模型。
- The curves was got by cubic spline interpolant function and the result ofnew method was compared other common parametric methods. 用这种参数做曲线插值时,可为实际应用带来很大的方便。
- Cubic splines need at least 5 points. 三次曲线样条至少需要 5 个点。
- In this paper,a generalized bootstrap method was proposed to estimate the yield curve for any available data sets of bond price with cubic spline interpolation method. 在一般息票剥离法(bootstrapmethod)的基础上进行了扩展:采用三次样条插值方法,可以对任意的国债报价数据进行即期收益率曲线估计。
- A reconstruction algorithm by cubic spline function interpolation, which is used to recover a signal from its dyadic wavelet transform extrema is proposed in this paper. 本文提出了用样条插值重构算法来实现由信号二进小波变换极值点重构原始信号。
- It first approx imates the discrete points by cubic spline and gets the first derivative of the given discrete points, then approximates the cubic spline by biarc curve. 先对离散点列用三次样条曲线插值,求出型值点的一阶导数,然后对三次样条曲线用双圆弧逼近。
- That is using cubic spline interpolating data to match the capillary pressure and its corresponding mercury saturation, enabling determination of the drainage cap... 该方法不但程序设计简单、使用方便、原理符合定义,而且适合于各种形态的毛管压力曲线。
- The processed data are approximated by cubic spline function.The predictive filter is constructed with the true value and the observation value of each observation point. 利用三次样条函数对处理后的观测数据进行多项式逼近，由各观测点的真实值和观测值构造出预测滤波器。
- The trained weights consist of cubic spline functions, not constants like the popular learning algorithm such as backpropagation (BP) or radial basis function (RBF) networks. 通过求解两组线性方程组，就可以确定具体三次样条权函数形式。
- This paper introduces the application of cubic spline interpolating function in chemical process design and calculation, and points out the precautions for application. 探讨三次样条插值函数在化工工艺设计计算中的应用,并提出应注意的问题。
- A piecewise rational cubic spline function involving four parameters is presented,which is a rational polynomial with a cubic numerator and a cubic denominator. 构造了含有4个参数的分段三次有理样条函数(分子、分母均为三次多项式),其中2个参数称为形状参数,另外2个称为保形参数;
- Cubic splines interpolation was used to get smooth corneal surface. 采用三次样条曲线插值角膜的内外表面。
- The CORDIC algorithm is adapted to convert the polar coordinate image to the rectangular coordinate image, while cubic spline interpolation is used to interpolate the vacant pixels. 本文采用数字坐标旋转(CORDIC)算法将极坐标图像转化为直角坐标图像，并采用三次样条插值的方法对漏点进行弥补。
- In this paper, the weighted rational cubic spline interpolation has been constructed using the rational cubic spline with linear denominator and the rational cubic spline based on function values. 文中利用分母为线性的有理三次插值样条和仅基于函数值的有理三次插值样条构造了一种加权有理三次插值样条 ;由于这种有理三次插值样条中含有新的参数 ;给约束控制带来了方便 .
- This paper improves the accuracy of numerical correction using the data fitting method to get the equation for the step response and the cubic spline function to get the first and the second derivatives of the output voltage wave. 本文采用曲线拟合的方法得到方波响应的方程,并采用三弯矩样条函数求得输出电压波形的一阶、二阶导数,从而提高了数值校正的准确度。
