PML-absorbing-boundary-code

牛顿迭代法用于求解非线性方程组，及求解范围(Newton iterative method for solving nonlinear equations, and solve the range)

用梯形求积法、自适应Simpson求积（低阶）法和自适应Lobatto求积（高阶）法进行数值积分(With trapezoidal quadrature method, adaptive Simpson quadrature (low) and adaptive Lobatto quadrature (high-order) numerical integration method)

内容丰富的OFDMA比特、功率、子载波分配算法。(OFDMA bit rich, power, subcarrier allocation algorithm.)

均匀圆阵的波束方向图 注释明了 易懂 对阵列信号初学者有益(Uniform circular array beam pattern annotation beneficial array signal clear and understandable for beginners)

这个是关于purning-fft的算法，即一种改进型的fft。适用于只有一部分有值，并非所有的都有值。(This is on purning-fft algorithm, an improved version of fft. Applies to only part of the value, not all have value.)

此程序为基于abaqus开发的新单元，用于模拟地震等动力过程中水与结构相互作用，用于在结构表面施加附加质量(This program based on abaqus and development of new unit, used to simulate the interaction between waterand structure during the process of earthquake, which is used to calculate the mass property on the structure surface)

说明：  最优化作业写的小程序 ，BFGS做优化问题的。(BFGS does the optimization problem.)

matlab的一些插值和拟合算法， 包括最小二乘法等(matlab some interpolation and fitting algorithm, including the least squares, etc.)

image smoothening and filtering

exercise1:为基于小波变化与局部能量的图像融合方法 exercise2:为基于自适应算法的图像融合算法 myfunction1~myfunction5:为性能指标评价函数(exercise1: To change and local energy based on wavelet image fusion method exercise2: adaptive algorithm based image fusion algorithm myfunction1 ~ myfunction5: performance indicators for the evaluation function)