bingtaixitong

BESO的python程序，对于进行abaqus的二次开发很有帮助，这样可以将有限元单独在abaqus中进行处理，而优化算法则采用python进行编写(BESO python program, for the secondary development abaqus helpful, so that the finite element can be handled separately in abaqus, while the optimization algorithm is written in python)

这是学习分数阶傅里叶变换，必须的算法这是学习分数阶傅里叶变换，必须的算法这是学习分数阶傅里叶变换，必须的算法(the of fragnaii or fft)

利用Mathematica实现数值分析，包括Gauss-Seidel迭代，Jacobi迭代法，SOR法，牛顿迭代法等(Mathematica is used to realize numerical analysis, including Gauss-Seidel iteration, Jacobi iteration, SOR method, Newton iteration method, etc.)

海冰密集度的matlab计算程序和分析！(The sea ice concentration matlab procedures and analysis!)

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)

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.)

说明：  运用数组，指针，通过最简单的c语言完成矩阵的转置计算。(Using array, pointer, through the simplest c language to complete the matrix transpose calculation)

说明：  用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位; 用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角; 可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function. The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively. The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)

说明：  VUMAT for Kinematic Hardening Plasticity

说明：  任意给定一个M进制的数X，利用栈实现数值转换。(Given an arbitrary number of M band X, use the stack to achieve numerical conversion.)