一、前言过去编制水电站水库调度图一般多采用时历法。近年来曾有不少学者试图对河川径流过程进行统计处理,并利用运筹学这一工具绘制水库最优调度图。1955年,美国的J.D.C.李特尔在假定相邻两时段径流间有一定相关联系的 First, the preface In the past, the preparation of hydropower station reservoir plans generally use more calendar method. In recent years, many scholars tried to process the runoff of the river and used the tool of operation research to draw the optimal dispatch map of the reservoir. In 1955, J.D.C. Reiter of the United States assumed a certain correlation between runoffs in two adjacent periods