研究具有粘滞阻尼和三次函数强非线性弹性缓冲包装系统的跌落冲击响应。
The dropping shock of cushioning packaging system with damping and nonlinear elasticity of three order functional relation is investigated.
随着植被盖度的变化，风速与输沙率的关系也发生变化：流动沙地上风速与输沙率呈三次函数关系；
The relation of wind velocity and total amount of sand transport also changes with vegetation coverage: On shifting sandy land, wind velocity has a cubic function to the sand transport;
通过剖析一元三次函数的内在联系，得出较简洁的计算方法，借助计算机编程可以免去诸多重复、繁琐的劳动。
Breaking down the inside connection of cubic functions of one variable, a convenient method of computer programming is recommended by the author, which can relieve us from repeated, heavy and deta...
科学计算，加、减、乘、除、开方、平方、三次方、三角函数(sincos tan)、阶乘、求反、取模等。
Scientific calculator supporting addition, subtraction, multiplication, division, square-root, square, cube, sin, cos, tan, Factorial, inverse, modulus.
这里三次样条函数中参数几何意义是沿曲线路径单调增长的距离。
The geometric meaning of the parameter is the mono increasing distance along the curve path.
在反演计算中，射线轨迹点处的慢度可用三次多项式基函数予以计算。
In inversion, the slowness at points on ray path can be calculated by using three order polynomial primary function.
介绍了用三次样条函数作通风机性能曲线拟合的方法。
The method of using cubic spline function as fan characteristic curve fitting is introduced.
指出用三次样条插值函数法只能解决由一组曲线族组成的图表处理问题。
The use of cubic spline interpolation function method can only solve the processing problem of nomographs consisting of one family curves.
文中采用陈至达(1962年)的光测应力分析基本方程，并导出适合于光弹性数据处理的三次样条函数。
Basic equation of photoelastic stress analysis by Chen (1962) is adopted; and a cubic spline function suitable for processing of photoelastic data is derived.
文中将GA用于三次样条函数拟合的系数求解，避开了矩阵求逆的繁琐问题，结合具体例子作了一些探索。
GA is used to obtain coefficients of cubic spline function fitting to avoid the inverse of the matrix and some work is made with an example.
根据凸轮机构的检测数据利用三次周期样条函数插值法对凸轮实际廓线进行曲线拟合。
Curve fitting of the actual CAM profile with the Cubic-periodic spline function according to the measured data of the CAM.
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。
So it adopt cubic spline function to structure die cavity outline in this article, the model points may be surveyed on die cavity surface.
介绍了用三次样条函数作通风机性能曲线拟合的方法。列出了计算实例，并对具体问题做了说明。
The method of using cubic spline function as fan characteristic curve fitting is introduced. The calculating example is provided and description is made for the specific problem.
本研究的目的是验证三次样条函数对平滑生物力学影片数据的效果。
The purpose of this study is to verify the effectiveness of Cubic Spline Function in sports biomechanical cine-data smoothing.
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。
This paper introduces the application of cubic spline interpolating function in chemical process design and calculation, and points out the precautions for application.
该文在统一判定条件下，借助于三次优函数，给出了两类一般迭代法的不同于以前的收敛性和误差估。
In this paper, a new convergence theorem and error estimates for two types of generalized method are obtained by means of cubic major function, under the unified determination.
这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。
The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.
对三次样条插值函数进行改进，提出了有限元离散节点的计算格式及软件。
The computational format and the software at finite element node based on the cubic spline interpolation function which has been improved by author have been presented.
三次样条插值函数边界条件由实际问题对三次样条插值在端点的状态要求给出。
The boundary conditions of cubic spline were given by the practical state at the extreme points of discrete function.
第四章也利用三次优函数得到了两类一般迭代法的收敛性和误差估计。
Then we give the convergence and error estimates for two types of generalized iterations by means of cubic majorizing function in chapter four.
应用样条有限点法，以三次B 样条函数为位移试函数，导出了拱结构非线性内力分析的新方法。
With the cubic B spline functions treated as displacement functions, a new method is introduced into. The result is compared with one of the finite element method.
第二节介绍用三次矩阵样条函数方法逼近一阶矩阵非线性微分方程的数值解。
Section II describes the numerical solution of first-order matrix differential non-linear equation using the cubic matrix spline function.
给出了具有线性分母的有理三次样条函数的误差估计，并在柱面坐标系下对一类空间闭曲线的插值问题进行了研究；
The error estimation of rational cubic spline with linear denominators is given, and then the interpolation of a kind of space closed curves under cylindrical coordinate system is investigated.
它在二维三次卷积插值法的基础上利用三次样条插值法的插值函数具有三阶连续导数的性质而得来的。
It is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two-dementional cubic convolution interpolation.
本文就非闭光滑曲线上关于第二类边界条件的复三次样条函数的逼近误差进行了论讨，取得了较好的结果。
In this paper, we discussed the approximation errors of complex cubic interpolation spline on open smooth curves under the second boundary condition and got the better results.
对上述离散频率的电感值利用三次样条函数插值，得到整个频率范围内电感的变化曲线。
A cubic spline interpolation between inductances at low and high frequency gives a good result over the entire frequency range.
对上述离散频率的电感值利用三次样条函数插值，得到整个频率范围内电感的变化曲线。
A cubic spline interpolation between inductances at low and high frequency gives a good result over the entire frequency range.
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