convection and diffusion-allscheme_fortran

本书由美国数学大师大师编写的数学计算这本书，很经典。国内的书编写残次不齐(This book is authored by American mathematician Mathematical calculation ,It is a good book)

说明：  非常好的卡尔曼滤波学习程序。文章中有原题，有解题步骤，有实现程序。适合卡尔曼学习过程中的人。(Very good learning process Kalman filter. The article in the original title, there are problem-solving steps to achieve the procedure. Kalman learning process for people.)

基于P-Q分解法的快速潮流计算,可用于实际系统(The fast power flow calculation based on P-Q decomposition method can be used in practical system.)

平面应力、平面应变有限元数值计算,适合于有限元编程入门(plane stress and plane strain for numerical calcualtion)

二维涡流位置及流场分布计算程序，Vortex Panel Method (Two-dimensional eddy current distribution of the location and flow field calculation program, Vortex Panel Method)

三维 近场－远场 变换 FDTD...........(FDTD near field to far field transmition)

根据经度纬度时间，计算太阳的方向角，matlab源码，附有详细的文档注释。(According to longitude latitude time, calculating the direction of the sun angle, matlab source, with detailed documentation of the Notes.)

通过滑动T检验时间序列的变化趋势，一般多用于气象分析(T-test time series by sliding the trend, generally used for weather analysis)

QT编写功能及界面，实现功能：加、减、乘、除、连加、连减、连乘、连除、加减乘除混合运算、除零报错等功能，代码简单清晰，适用于刚刚接触QT的人(QT write functions and interface functionality: add, subtract, multiply, divide, even increase, even less, and even multiply, even in addition, subtraction, multiplication and division mixed operations, in addition to the zero error function, the code is simple and clear, suitable for just contact The QT)

调试通过可以使用，已调制信号计算其普相关密度，空间目标识别，采用PM算法。( Debugging can be used, Modulated signals to calculate its density Pu-related, Space target recognition algorithm using PM.)