C and MATLAB implementation for LDPC encoding and decoding-Overview of what is provided WiFi (IEEE 802.11n) LDPC code construction Encoding by back-substitution for WiFi LDPC codes Iterative belief propagation (BP) Decoding (including

针对二维波动方程，我们研究了一个实例，即弹性薄膜的波动方程。 其实际物理意义是：两手抓住弹性薄膜的两个位置，分别提起，使薄膜上形成两个峰，在t=0时刻突然松手，根据生活常识可以预料，这两个位置的薄膜将来回震动，与此同时产生的波向四周传播，而且波与波会在相遇处叠加。用matlab编程并将这个过程可视化。(In view of the two-dimensional wave equation, we have studied an example, the wave equation of the