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geophysical-field-process-
本程序集对地球物理场做多种处理 如:2阶及4阶导数,位场转换,不规则密度体重力场计算,竖直圆柱体重磁场计算,用泰勒多项式及最小平方2乘的剩余异常计算,(主要适用于地磁场以及重力场的转换)(FUNCTION : THIS ROUTINE IS USED TO CALCULATE GRAVITY FOR VARIABLE DENSITY OF 2D BIVARIATE TRAPEZOID BODY
Function : This program calculate derivation of order 2 and order 4 uesd in Geophysical Field(magmagnetic,gravity field)
FUNCTION : THIS ROUTINE IS USED TO CALCULATE GRAVITY FOR VARIABLE DENSITY OF 2D BIVARIATE TRAPEZOID BODY
Purpose: Continuation of potential fields (upward and downward continuation )
Function: This program will calculate residual anomaly,)
- 2011-07-26 11:17:34下载
- 积分:1
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UMAT
abaqus Umat 计算复合材料的损伤问题,可以学习一下(abaqus umat subroutine for damage of the composite material)
- 2021-01-14 19:48:47下载
- 积分:1
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非线性振动
非线性振动.pdf 刘延柱编写
恢复力与位移不成正比或阻尼力不与速度一次方成正比的系统的振动。尽管线性振动理论早已相当完善,在工程上也已取得广泛和卓有成效的应用,但在实际问题中,总有一些用线性理论无法解释的现象。一般说,线性模型只适用于小运动范围,起出这一范围,按线性问题处理就不仅在量上会引起较大误差,而且有时还会出现质上的差异,这就促使人们研究非线性振动。(Nonlinear Vibration. Compilation of PDF Liu Yanzhu)
- 2020-11-23 20:09:34下载
- 积分:1
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kriging
开源的克里金插值算法
开源的克里金插值算法(Open source Kriging interpolation algorithm)
- 2018-06-27 17:14:15下载
- 积分:1
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ls
说明: 此程序为分段最小二乘算法曲线拟合,可对一模型进行分段拟合,增加准确性和精确度.(This program is sub-least-squares curve fitting algorithm can be fitted to a sub-model to increase the accuracy and precision.)
- 2009-09-09 09:44:01下载
- 积分:1
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inexact_alm_mc
增广拉格朗日乘子方法求解RPCA问题的方法,得到矩阵的稀疏成分和低秩成分。(argumented lagrange multiplier method that can make matrix be decomposed to a sparse matrix and low-rank matrix.)
- 2012-06-27 14:41:31下载
- 积分:1
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FE_STructure
根据分好的单元,进行有限元分析。计算每个单元中四个高斯点的应力,应变,主应力以及位移。(According to sub-good unit, finite element analysis. Calculated for each unit in the four Gauss point stress, strain, principal stresses and displacements.)
- 2020-09-01 11:18:09下载
- 积分:1
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matrix
一个由C语言写成的矩阵运算程序源代码,共初学者参考。(A C language source code matrix calculation, a total of reference for beginners.)
- 2007-12-18 16:57:44下载
- 积分:1
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code _
粒子滤波PF,无迹粒子滤波UPF,卡尔曼滤波KF,扩展卡尔曼滤波EKF等例程与比较。建议下载,清晰明了(Particle filter PF, Untraced particle filter UPF, Kalman filter KF, extended Kalman filter EKF and other routines and comparisons.)
- 2018-02-01 22:19:09下载
- 积分:1
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EKFUKF_1_1
EKF uKF的matlab工具箱,适合做非线性滤波的仿真计算。(EKF uKF the matlab toolbox for nonlinear filter to do the simulation.)
- 2008-07-01 12:25:57下载
- 积分:1