计算多重分形非趋势波动分析，包括随机梯度算法，相对梯度算法，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度。- Calculate the multifractal trend fluctuation analysis, Including stochastic gradient algorithm, the relative gradient algorithm, Including Deng s correlation, absolute correlation, correlati