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MATHMATICAL STATISTICS

于 2019-01-10 发布

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下载积分: 1 下载次数: 10

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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.)

文件列表：

MATHMATICAL STATISTICS, 0 , 2019-01-10
MATHMATICAL STATISTICS\beta估计值模拟分析, 0 , 2018-06-10
MATHMATICAL STATISTICS\beta估计值模拟分析\project2.m, 1834 , 2017-05-17
MATHMATICAL STATISTICS\beta估计值模拟分析\说明.doc, 28160 , 2017-05-23
MATHMATICAL STATISTICS\卡方拟合优度检验, 0 , 2018-06-10
MATHMATICAL STATISTICS\卡方拟合优度检验\NCX2-42.xls, 29696 , 2011-12-31
MATHMATICAL STATISTICS\卡方拟合优度检验\project3.m, 821 , 2014-05-21
MATHMATICAL STATISTICS\卡方拟合优度检验\说明.docx, 84618 , 2017-05-23
MATHMATICAL STATISTICS\有限样本性质模拟, 0 , 2018-06-10
MATHMATICAL STATISTICS\有限样本性质模拟\project4.m, 908 , 2017-05-11
MATHMATICAL STATISTICS\有限样本性质模拟\说明.docx, 14985 , 2017-05-23
MATHMATICAL STATISTICS\筛选抽样随机数抽取, 0 , 2018-06-10
MATHMATICAL STATISTICS\筛选抽样随机数抽取\project5.m, 921 , 2017-05-18
MATHMATICAL STATISTICS\筛选抽样随机数抽取\说明.docx, 16236 , 2017-05-23
MATHMATICAL STATISTICS\非中心对称卡方分布, 0 , 2018-06-10
MATHMATICAL STATISTICS\非中心对称卡方分布\project1.m, 319 , 2017-05-23
MATHMATICAL STATISTICS\非中心对称卡方分布\说明.doc, 26624 , 2017-05-23

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DERPAR
常微分方程求解的搜索延拓法，克服了Newton-Raphson法对初值问题影响过大的问题(Solving Ordinary Differential Equations search continuation method to overcome the Newton-Raphson method for initial value problem of the impact of the problem is too large)

2007-11-06 22:31:59下载

积分：1
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2012-04-23 13:27:59下载

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ABAQUS中用户材料子程序UMAT的开发主要解决两方面的问题：本构模型的建立和积分算法的选择。本文主要研究非线性材料的UMAT实现方法，并重点研究其迭代算法部分，目前，用户材料子程序UMAT的迭代算法主要是常刚度法，常刚度法的优点在于算法原理较简单，程序编写较方便，缺点是当遇到复杂非线性材料时，其迭代次数较多，收敛速度也较慢，在这个情况下，本文采取的是一种迭代次数较少且收敛速度较快的切线刚度法，具体就是采用FORTRAN语言编制了基于Von-Mises模型的接口程序,并采用切线刚度算法，通过与ABAQUS自带本构关系计算的结果相比较，验证其正确性。(This paper studies the user subroutine UMAT of ABAQUS development methods, the use of FORTRAN language isotropic hardening material model of the interface program, studied the effects of such material is extremely elastic-plastic constitutive relation method. This article UMAT tightly around the secondary development of technology, the first principle of its interface detail, and then for the theory of nonlinear finite element incremental stiffness of the regular tangent stiffness method and the theory of algorithms to do an in-depth analysis of deduced a regular tangent stiffness and rigidity of the law of the specific expression of algorithm theory, and then the preparation of the two algorithms, respectively, of the UMAT program, and finally the establishment of a specific model checking, bringing with ABAQUS elasto-plastic constitutive relation of the calculated results compared to verify the correctness of the two.)

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积分：1
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lianxu-me
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jiechuduibi
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2012-09-02 16:49:02下载

积分：1
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经典的人脸识别算法：2Dpca的实现，matlab实现环境。(Classical face recognition algorithms: 2Dpca the realization)

2009-02-12 12:52:03下载

积分：1
uhard
用ABAQUS及其子程序解决热冲压热力耦合问题(Subroutine with ABAQUS and hot stamping coupled thermal problem solving)

2021-03-29 08:49:11下载

积分：1
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sod 激波管问题的简单实现，包括weno3和weno5，makefile可正常运行，方便使用(Sod shock tube simple implementation of the problem, including weno3 and weno5, makefile can be normal operation, easy to use)

2017-09-14 17:37:48下载

积分：1
CFDMethod
说明：明尼苏达大学大牛G.V.Candler关于最近年来气动热、力的数值计算方面的总结，对该领域的学者有借鉴作用。(The Big Cow of University of Minnesota, G.V.Candler's summary on the numerical calculation of aerodynamic heat and force in recent years, which could be benifited for scholars in this field.)

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积分：1

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