simplecalculator

说明：  二分法求方程数值解，程序含说明性文字，精度可调(The numerical solution of the equation is obtained by dichotomy. The program contains explanatory text and the precision is adjustable)

PCM数据通信压缩算法，c语言编写，适合移植到单片机、dsp等目标系统上。(PCM data communications compression algorithm, c language, suitable for transplant to the microcontroller, dsp goals systems.)

说明：  时域物理光学法，包括了立方体刨分程序，二维fft计算，任意目标的散射系数的程序。 学习物理光学的很好的入门代码。(The physical optics method in time domain, including the cube planing procedures, two-dimensional fft calculation, any scattering Coefficients of the target program.)

齐民友的重温微积分，通俗易懂的经典数学书籍。 (Naritami revisit the Friends of calculus, a classic user-friendly math book.)

Evesen开发的scalarmodel，耦合了集合卡尔曼滤波算法和集合卡尔曼平滑算法(Scalarmodel coupled with Ensembled Kalman Filter and Ensembled Kalman Smoother)

矩阵理论：如线性空间、线性变换、内 积空间、正交投影、Jordan标准型、范数 理论等(Matrix theory: linear space, linear transformations, inner product spaces, orthogonal projection, Jordan standard norm theory, etc.)

有限元计算软件Nastran 运算出错时的所有错误列表，从标号1到22107.7。(FEM calculation error list of all software Nastran Error from grade 1 to 22,107.7.)

说明：  吉尔数值算法，求解刚性微分方程组，稳定好，收敛好(Gill numerical algorithm, good stability and convergence for solving rigid differential equations)

采用 Lax-Wendroff算法计算非粘Bergers方程(nonviscous Burgers equation, Lax-Wendroff method.)

故障频率计算程序，计算轴承各部件的故障频率(Failure rate calculation program to calculate the bearing parts of the fault frequency)