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FFT
FFT with fix point 2*N
- 2013-10-06 15:38:38下载
- 积分:1
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xianshi
偏微分方程数值解上机实习 运用古典显式差分格式求解二维扩散方程的初边值问题 运用P-R差分格式求解二维扩散方程的初边值问题
- 2020-11-11 10:19:45下载
- 积分:1
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fortran
4种计算积分的方法,并对精度进行比较,梯形法则,simpson法则(4 methods for calculating integral)
- 2018-03-28 17:27:58下载
- 积分:1
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mtl_reg_sim_complinearized
多元非线性回归——岭回归方法,比常规的最小二乘更适合数据量较大的优化问题(Multiple nonlinear regression- ridge regression method is more suitable than the conventional least squares optimization problem of the large amount of data)
- 2020-09-19 00:47:52下载
- 积分:1
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oneshot
用FORTRAN编制的交错网格化数值模拟程序,生成共炮点理论地震记录。(using FORTRAN compiled by the staggered grid of numerical simulation program to produce a total theoretical shot seismic record.)
- 2007-04-24 16:03:49下载
- 积分:1
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wavePsvm
小波分解与最小二乘支持向量机,用于天线故障诊断。(Wavelet decomposition and least squares support vector machine for antenna diagnostics.)
- 2013-08-25 15:37:45下载
- 积分:1
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3D-translation
该程序实现了基于罗德里格矩阵的三维坐标转换,该算法简单快速,无需迭代而具有较高的精度(The program implemented based on three-dimensional coordinate transformation matrix Rodriguez, the algorithm is simple and fast, without iteration and with high precision)
- 2020-12-29 11:09:01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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The-UDF-for-phase-change-of-water
Fluent 中短语模拟水的受热蒸发相变的UDF程序代码(the UDF for phase change of water)
- 2014-01-06 19:38:21下载
- 积分:1
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Network
对于给定某一线性时不变网络(不含受控源),根据网络属性及结构,通过编程实现自动生成其关联矩阵A和一个树。(Given a linear time-invariant network (excluding controlled source), according to the network properties and structure of the automatically generated by programming its associated matrix A and a tree.)
- 2013-11-03 18:32:12下载
- 积分:1