RK45andRK54

三维重力梯度正演程序，可根据剖分模型计算多个场分量，绝对原创！(3D Gravity Gradients calculating )

包括牛顿法，阻尼牛顿法，变尺度算法，最速下降法的优化算法程序。(Newton' s method, damped Newton method, variable metric algorithm, the steepest descent method optimization algorithm.)

matrix inversion source code

说明：  运用数组，指针，通过最简单的c语言完成矩阵的转置计算。(Using array, pointer, through the simplest c language to complete the matrix transpose calculation)

实现线性代数的矩阵运算的C++程序，矩阵计算器。(Linear algebra matrix operations C++ procedures matrix calculator.)

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.)

自制的计算器，可实现加减运算，清除，后退等功能(Homemade calculator, can realize the addition and subtraction, clear, back, etc)

计算fft，输出频谱，相位，模值,Calculation of FFT, the output frequency, phase, amplitude,

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!)

基于D2Q9模型的LBM程序，用于计算方腔驱动流，对应何亚玲《格子Boltzmann方法的理论及应用》一书的源码(LBM D2Q9 model-based program used to calculate the square cavity driven flow, which corresponds He Yaling " Lattice Boltzmann Method Theory and Applications," a source book)