fitnorm

粘弹正演程序和模型实例,2维数值模拟正演，适应于粘弹介质，(This program can be two-dimensional numerical simulation of acoustic wave equation, Viscoelastic isotropic media.)

用有限差分方法求解波动方程，画出波场快照，模拟波在地下传播！(The wave equation by finite difference method, draw the wave field snapshot, simulate wave propagation in the underground!)

说明：  该文件内容用于相空间重构参数时间延迟和嵌入维数的计算，时间延迟的计算包含去偏复自相关函数法和互信息法，嵌入维数的甲酸包含G-P算法和FNN算法。(The contents of this file are used to calculate the time delay and embedding dimension of phase space reconstruction parameters. The calculation of time delay includes depolarization complex autocorrelation function method and mutual information method. The embedding dimension of formic acid includes G-P algorithm and FNN algorithm.)

幂律分布的数据案例，这个案例数据有助于理解幂律分布的计算公式。(The case of power-law distribution of data, case data will help to understand the power-law distribution formula.)

matlab求解抛物方程源程序，包括真值、近似值与误差，最大误差随网格数变化(matlab solve the parabolic equations)

matlab中实现箭头的程序，直接作为函数使用。(matlab realize the arrow in the procedure)

idl环境下运行，计算两幅图像的交叉相关系数，用于变化检测方面的研究(idl environment to run the calculation two images of cross-correlation coefficient for change detection studies)

我收集的老外编的椭圆拟合算法，C++实现，输入一组XY数据就能求出椭圆参数(I collected foreigner series the oval fitting algorithm, C++, achieve)

统计格点数据文件A和文件B中物理量间的相关系数，平均误差，均方根误差，绝对误差。(Statistics grid data file A and file B, the correlation between physical quantities, the average error, root mean square error, absolute error.)

Mathematica计算基于力平衡变截面梁单元的质量和刚度矩阵(2D force-based finite element mathemaica)