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udf_dpm_tongji
fluent多相流DPM模型中使用用户自定义函数对颗粒进行统计(DPM fluent multiphase flow model using user-defined functions for particle statistics)
- 2020-12-06 21:09:21下载
- 积分：1
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DifferentialEquation
利用龙格库塔法（等步长，变步长）计算椭圆方程，双曲线方程，抛物线方程等。对各类微分方程进行数值计算。(The use of Runge-Kutta method (such as step, variable step size) calculated elliptic equations, hyperbolic equations, such as parabolic equation. Various types of differential equations for numerical calculation.)
- 2009-01-27 17:38:24下载
- 积分：1
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PCG
％ SSOR预处理的共轭梯度法求解方程Ax=b
％ 输入参数说明
％ A 正定矩阵[n*n]
％ b 右边向量
％ omega SSOR预处理参数(0--2)
％ Times 迭代次数
％ errtol 给定误差终止条件
％
％输出参数
％ NewX 方程Ax=b的x近似解
％ avgerr 求解的当前平均绝对误差( SSOR preconditioning conjugate gradient method for solving equations Ax = b the input parameter descriptions A positive definite matrix [n* n] b right side vector omega SSOR preconditioning parameters (0- 2) Times iterations errtol termination of a given error condition NewX output parameter equation Ax = b of x approximate solution to solve the current avgerr average absolute error)
- 2007-11-16 01:14:24下载
- 积分：1
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cPPpolyfit
多项式拟合，最小二乘法，c++版本实现，运行环境vc6(Polynomial fitting)
- 2013-04-29 10:37:54下载
- 积分：1
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非线性方程的求根
说明： 非线性方程 Aitken加速收敛方法 二分法 割线法 牛顿微分改正方法(Nonlinear equation Aitken accelerated convergence method Dichotomy method Secant method Newton's differential correction method)
- 2020-10-05 19:06:10下载
- 积分：1
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feappv31
feap 有限元程序，国外某大学的开源程序(feap finite element program)
- 2014-01-01 20:10:54下载
- 积分：1
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Matrix
采用随机数产生2到10阶的随机矩阵，并实现了矩阵的相关运算，比如：加减，乘除，求逆，求行列式(Using random Numbers generated random matrix from 2 to 10 order , and achieving relative to the implementation of the matrix operations, such as: add and subtract, multiple and divided, inverse and determinant)
- 2013-07-17 06:40:04下载
- 积分：1
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p11_1
同心导体球和球壳之间的电势差和感应电荷的计算(Potential difference between the concentric conducting sphere and spherical, and the calculation of the induced charge)
- 2012-07-20 10:31:29下载
- 积分：1
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biu_ec67
内含心电信号数据及运用MATLAB写的源代码，有井曲线作为输入可计算其地震波的衰减,Pisarenko谐波分解算法。( ECG data and includes source code written in MATLAB, There is a well attenuation curve as input to calculate its seismic waves, Pisarenko harmonic decomposition algorithm.)
- 2017-03-15 21:49:50下载
- 积分：1
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Semiparametric
半参数回归模型在测绘领域中的应用，先利用多期数据构建半参数回归模型，然后再预报未来多期数据(Semiparametric regression model applied in the field of surveying and mapping, the first use of multi-phase data to construct semi-parametric regression model, and then predict the future multi-phase data)
- 2013-07-12 16:22:14下载
- 积分：1
