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可控源电磁法（CSEM）一维反演程序，利用Occam算法(1d inversion program for CSEM)

说明：  fluent的udf程序，可以计算pmv(Fluent's udf program can calculate pmv)

利用Lax-wendroff两步差分格式求解一维激波管问题Fortran语言(Use a two-step Lax-wendroff Difference Scheme for Solving the one-dimensional shock tube problem Fortran language)

利用楚列斯基分解法和平方根法分解对称矩阵，较为实用(use the Cholesky method and esquare-root method to solve the problem of Triangle decomposition of matrix)

利用雷诺方程和有限元差分法，计算阶梯滑块的压力分布(Reynolds equation and the use of finite element difference method to calculate the pressure distribution of the slider ladder)

minmod限制器函数，计算流体力学TVD格式中的开关函数。(minmod limiter function)

采用dsp产生lorenz信号，以用于混沌保密通信，程序在ccs下调试并通过(using dsp have lorenz signal to be used in chaotic secure communications, Under procedures in ccs through debugging and)

计算汉克尔函数，包括复数变量和任意阶数。对初学者很有帮助。(Calculate Hankel functions, including complex variable and arbitrary order. Useful for beginners.)

Hilbert Haung spectrum

约束最优化方法－－最速下降法(也叫梯度法)，是人们用来求多个变量函数极值问题的最早的一种方法。(Constrained optimization methods- steepest descent method (also known as gradient method), is used for multiple variables function Extremum Problems earliest methods.)