matlab多种控制算法的源代码，包括时域响应的性能指标，由特征多项式构造胡尔维茨矩阵，根轨迹几何法设计串联超前控制器等-matlab variety of control algorithm source code, including the performance of the time domain response by the characteristic polynomial constructed Hurwitz matrix, root locus the geometric method designed series lead controller