能够计算出两阶段三系统的网络dea模型的第一阶段效率、第二阶段效率以及总体效率(The first stage efficiency, the second stage efficiency, and the overall efficiency of the two-stage three-system network DEA model can be calculated)

DEA非期望产出和GML和ML的matlab代码，其中Malmquist-Luenberger（ML）Global-Malmquist-Luenberger(GML)。(DEA unexpected output and GML and ml matlab code, where Malmquist Luenberger (ML) global Malmquist Luenberger (GML).)