simplecalculator

计算同轴电缆的时域有限差分算法的matlab程序(Finite-difference time-domain algorithm matlab program calculated coaxial cable)

BP神经网络的整个训练过程,matlab编写的元胞自动机，独立成分分析算法降低原始数据噪声。( The entire training process BP neural network, matlab prepared cellular automata, Independent component analysis algorithm reduces the raw data noise.)

混沌的判断指标Lyapunov指数计算,与理论分析结果相比，可实现对二维数据的聚类。( Chaos indicator for Lyapunov index calculation, Compared with the results of theoretical analysis, Can realize the two-dimensional data clustering.)

精确黎曼求解器； 精确黎曼求解器：hll、hllc方法；(Accurate Riemann solver; Accurate Riemann Solver: HLL, HLLC method;)

说明：  利用正交向量法求Lorenz系统的李雅普诺夫指数，并绘出指数谱图。(Orthogonal Vector Method Lorenz system, Lyapunov exponent, and draw the index spectrum.)

描述了雷达sra成像等，用c语言开发 ，包含有fft等程序(Describes the radar imaging Sra, using c language development, contains the procedures fft)

说明：  计算超短脉冲非线性传输的一个比较成熟的M文件(Calculation of nonlinear transmission of ultrashort pulse of a more mature M documents)

先通过emd进行分解，然后求出边际谱，进行分析(First, the EMD is decomposed, and then the marginal spectrum is obtained)

经典R-K法，通过它可以计算一些简单的常微分方程的数值解(Classical RK method, which can be calculated by simple numerical solution of ordinary differential equations)

主要是交通行业的时空矩阵的3维热力图表达方式，不同检测器与不同时间段的流量作为颜色的第三位导入，热力图调整颜色表达更清晰(mianly used for transportation engineering. It can plot the three dimension of the real traffic situation, including different temporal and spatial. the code also can modify the parameter of the colorbar.)