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Global-Newton-Raphson
全局牛顿-拉普森方法求解非线性方程组,自动搜索步长,进一步保证了程序的收敛(Global Newton-Raphson method for solving nonlinear equations. The steps can be found automatically. The convergence is better than the common Newton-raphson method.)
- 2013-06-27 12:00:34下载
- 积分:1
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最优化控制的算法,牛顿梯度法的源代码-Main_function
这里实现了一个最优化控制的算法,牛顿梯度法的源代码,运行于matlab平台下。(here to achieve optimization of a control algorithm, Newton gradient of the source code, which runs on Matlab platforms.)
- 2005-04-13 09:47:28下载
- 积分:1
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FDTD-WireAtenna3
采用相互垂直的两个振子构成圆极化天线的FDTD程序.可以计算其圆极化波瓣宽度等天线指标
(perpendicular to each other using the two oscillator constitute a circularly polarized antenna FDTD procedures. Can calculate its lobed circular polarization antennas width indicators)
- 2006-10-25 18:44:52下载
- 积分:1
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pca_ica
说明: 独立分析 主成分分析 可以提取矩阵独立成分与主成分,显示空间特征与时间特征以及对应的奇异分析用于计算能进行奇异值分解等。主要用于数值的提取计算等。(It can extract the independent and principal components of matrix, display the spatial and temporal characteristics, and use the corresponding singular analysis to calculate the singular value decomposition. It is mainly used for extraction and calculation of numerical value.)
- 2020-04-15 22:00:02下载
- 积分:1
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MYFEM
有限元求解柏松方程。本文采用FORTRAN语言编制程序。程序中大部分变量采用有名公共区存储方式存储,这样可以减少内存占用量。
IFG:生成有限元网格信息,即元素节点局部编码与总体编码对照表,节点实际坐标,边界节点编码与边界点上的已知值
GKD:生成总刚一维存储对角元的地址,计算总刚一维存储长度
FIXP:设置已知节点函数值
GK(NI,NJ,ADJ,AIJ):单元刚度矩阵计算
GF(NI,N,M,LE,YI,FE):单元列阵的计算
AK(I,J,AIJ):总刚度矩阵元素迭加
QEB:总刚度矩阵和总列阵合成
BDE:边界条件处理
SOLGS:Gauss-Seidel迭代法求解方程组
UDIFF(NI,NFLAG,UDIF,LE,ADJ):标准元素内形状函数导数计算
DIFF:节点上 , 加权平均
(In this program, FEM was used to solve the possion equation. It is implemented through FORTRAN)
- 2009-05-22 17:22:56下载
- 积分:1
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CompDam_DGD
摩擦力是抵抗固體表面,流體層和材料元件相對滑動的相對運動的力。有幾種類型的摩擦:幹摩擦是一種與之相反的力(friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the)
- 2020-06-23 10:00:01下载
- 积分:1
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simplex_step1
单纯形法找初始可行解,上课留的作业,希望对别人有点用吧(Simplex method to find an initial feasible solution , hope it is useful for others.)
- 2014-12-15 15:24:33下载
- 积分:1
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4block
2D single bin packing 问题的4Block算法(4-Block Algorithm for 2D single bin packing Problem)
- 2009-04-07 14:26:16下载
- 积分:1
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PLS
偏最小二乘回归的通用程序,以“基于近红外光谱分析的汽油组分建模”为例
(Partial least squares regression of the general program of " Near infrared spectroscopy based gasoline component modeling" as an example)
- 2011-05-19 13:13:02下载
- 积分:1
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wave-force
一个计算结构波浪力的程序,小直径桩柱结构,中等直径桩柱结构,多桩结构(A program for calculating the wave force of the structure, a small-diameter pile structure, a medium-diameter pile structure, a multi-pile structure)
- 2020-12-08 09:59:21下载
- 积分:1