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numerical
求解二阶变系数常微分方程,主要用于涡激振动中频率响应的计算(Solving second-order ordinary differential equations with variable coefficients)
- 2014-01-06 19:23:10下载
- 积分:1
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Source1
ivf Fortran 有限元计算 一端固支 另一端自由移动的二维梁结构的振动(calculate the 2D beam vibration based on Finite Element Method in Fortran)
- 2014-06-04 20:49:30下载
- 积分:1
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多维随机数的生成方法
说明: 多维随机数的生成方法,一维随机数生成方法,高维随机数的生成方法(Generation methods of multidimensional random number, one-dimensional random number and high-dimensional random number)
- 2020-06-18 15:20:01下载
- 积分:1
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SVD
最小二乘估值的SVD分解计算方法,本程序可将最小二乘估值问题转化为超定方程组的问题处理,且可用奇异值分解的方法计算最小二乘问题。(Least Squares Estimates of the SVD decomposition method, the valuation process can be transformed into squares overdetermined equations deal with the problem, and can be calculated singular value decomposition least squares problem.)
- 2020-07-04 15:20:02下载
- 积分:1
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非线性振动
非线性振动.pdf 刘延柱编写
恢复力与位移不成正比或阻尼力不与速度一次方成正比的系统的振动。尽管线性振动理论早已相当完善,在工程上也已取得广泛和卓有成效的应用,但在实际问题中,总有一些用线性理论无法解释的现象。一般说,线性模型只适用于小运动范围,起出这一范围,按线性问题处理就不仅在量上会引起较大误差,而且有时还会出现质上的差异,这就促使人们研究非线性振动。(Nonlinear Vibration. Compilation of PDF Liu Yanzhu)
- 2020-11-23 20:09:34下载
- 积分:1
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thin_film_N_K_T
通过测量光学薄膜的反射率曲线反演其光学常数,包括厚度与折射率(By measuring the optical thin film reflectivity curve inversion of its optical constants, including the thickness and refractive index)
- 2008-04-16 21:03:03下载
- 积分:1
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FractalDim
盒维数计算和豪斯多夫维数的计算与应用研究程序(box counting)
- 2013-07-27 17:50:31下载
- 积分:1
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Sod
利用5阶WENO有限差分法求解一维Euler方程组,给出求解Sod型激波管问题的详细程序。(The use of 5-order WENO finite difference method for solving one-dimensional Euler equations given type of shock tube problem solving Sod detailed procedures.)
- 2014-02-07 11:03:08下载
- 积分:1
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一种优化的神经网络数字预失真方法
说明: 基于神经网络的数字预失真技术,即智能DPD(Digital Predistortion Technology Based on Neural Network)
- 2019-09-27 20:57:50下载
- 积分:1
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x-y图解法求二元精馏塔理论塔板数-PltFigOfEquil
x-y图解法求二元精馏塔理论塔板数 本文件是一个m文件,要在matlab环境下运行(x-y graphical method for binary distillation theoretical plate number of this document is a document m, the operating environment Matlab)
- 2005-04-05 19:21:01下载
- 积分:1