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BLKTRIDIAG
说明： 所给的m文件中有详细的构造三对角分块矩阵的方法，而且构造的分块矩阵采用的是稀疏存储的方法，适用于大型三对角分块矩阵的构造(There are detailed methods to construct tridiagonal block matrix in the given m file, and the method of sparse storage is used to construct the block matrix, which is suitable for the construction of large tridiagonal block matrix.)
- 2019-04-20 22:33:32下载
- 积分：1
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UMAT-JC
适用于ABAQUS的自定义材料子程序，适用于Johnson-Cook材料模型(Apply to custom material ABAQUS subroutine for Johnson-Cook material model)
- 2020-11-04 16:59:51下载
- 积分：1
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ghuif
交错网格PML弹性波模拟地震波形的c语言程序(Staggered grid PML elastic wave seismic waveform simulation)
- 2014-11-28 20:32:23下载
- 积分：1
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jifen
分别用梯形法和矩形法求定积分，附加应用实例(, Respectively, with the trapezoidal method and the rectangle method to find definite integrals, additional application examples)
- 2012-11-28 22:16:59下载
- 积分：1
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interpolation
cressman格点插到格点程序，从一个场插值出另一个分辨率不同的场(interpolates fields to another grid as specified )
- 2013-08-25 21:53:45下载
- 积分：1
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MATHMATICAL STATISTICS
说明： 分别对beta估计值模拟分析、非中心对称分布、卡方拟合优度检验、筛选抽样随机数抽取、有限样本性质模拟这5个内容进行了编程说明(The five contents of beta estimation simulation analysis, non-centrosymmetric distribution, chi-square goodness-of-fit test, random number extraction of screening sampling and Simulation of finite sample properties are explained by programming.)
- 2019-01-10 09:45:54下载
- 积分：1
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yangkanglunwen
对流扩散方程一维的有限差分法，有限元法，特征有限差分法，特征有限元法代码(Convection diffusion equation of one dimensional finite difference method, finite element method, characteristic finite difference method, characteristic finite element method (fem) code)
- 2015-10-09 16:25:00下载
- 积分：1
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121
1. 牛顿迭代法
function [x,i]=newtonmethod(x0,f,ep,Nmax)
牛顿法求非线性方程根
x0是输入初始值, f是输入函数, 精度要求ep, Nmax为最大迭代次数
x是输出迭代序列,i是迭代次数
2. 二分法
function [x,k]=bisection(a,b,f,ep)
二分法解非线性方程
输入区间[a,b],函数f和误差ep, Nmax为最大二分次数
x为输出近似根, k为二分次数
( Newton s law and the dichotomy)
- 2020-10-12 22:57:32下载
- 积分：1
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jvzhenlianxi
实现构建矩阵，矩阵的相加，相减，清零，以及转置，还有相乘的功能。(To build matrix, the matrix addition, subtraction, reset, and transposed, and the function of the multiplication.
)
- 2012-08-22 09:29:57下载
- 积分：1
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practice6_17
用矩阵法求定积分1/(1+x^2)dx，区间是（-4，4）(Definite Integral Matrix Method)
- 2010-05-17 01:34:47下载
- 积分：1
