util_mod

气泡根据内外压力差变化的动网格。。。。。。(bubble dynamic mesh )

二阶微分方程组，采用龙格库塔法求解，将二阶降为一阶之后在求解。(Second-order differential equations, using the Runge-Kutta method to solve the second-order reduced to an order after solving.)

MATLAB调用ANSYS实现桁架优化，是一种创新的算法！(MATLAB calls ANSYS to achieve truss optimization, is an innovative algorithm!)

地球物理反问题中带约束的Tikhonov正则化方法的应用(applications of constrained regularization method )

计算复序列的分裂基快速傅里叶变换，分裂基快速算法是将基2和基4分解组合而成。在基2M类快速算法中，分裂基算法具有最少的运算量，且仍保留结构规则、原位计算等优点。(Calculate complex sequence of split radix fast Fourier transform, fast algorithm is to split the base base 2 and base 4 decomposition combination. 2M fast algorithm in the base class, the split-based algorithm has the least amount of computation and structural rules remain in situ calculation and so on.)

说明：  数值分析中运用matlab使用LU分解法求线性方程组(Numerical analysis using matlab LU decomposition method for solving linear equations)

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.)

非线性方程数值解法的数学基础，有牛顿法，割线法等(Mathematical foundations of numerical solution of nonlinear equations, Newton method, secant method)

计算多重分形非趋势波动分析matlab程序,包括脚本文件和函数文件形式，AHP层次分析法计算判断矩阵的最大特征值。( Calculation multifractal detrended fluctuation analysis matlab program, Including script files and function files in the form, Calculate the maximum eigenvalue judgment matrix of AHP.)

RLS algorithm.design by simulink