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for counting a bunch of solar cell

说明：  自己编的，实现l-bfgs解无约束优化问题(Own, and the realization of l-bfgs Unconstrained optimization problems)

说明：  通过模型决定系数完成支持向量机参数优化，并建立基于大数据的支持向量机模型实现回归拟合(The parameters of SVM are optimized by the coefficient determined by the model, and the regression fitting is realized by the support vector machine model based on big data)

流体力学SIMPLE算法（C语言编程实现）需自己设定边界条件(SIMPLE algorithm)

说明：  这是用matlab实现em算法的程序，简单，易懂，共同学习噢。(EM)

用visual basic编译的布谷鸟算法的源代码,是一种很好地启发式智能算法。(Use visual basic compiler cuckoo algorithm source code, is a good heuristic intelligent algorithm. )

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.)

fft混合基算法，c代码实现，可移植混合基的傅立叶变换算法(fft-based hybrid algorithm, c code, portable hybrid-based Fourier transform algorithm)

说明：  应用龙格库塔算法求解动力学微分方程，求解时域数据(Solving dynamic differential equation with Runge Kutta algorithm)

计算流体力学;高精度7阶二维weno格式;矢通量分裂方法(Vector flux splitting in 7 order two dimensional WENO scheme)