Then, with acetaldehyde productivity taken as the objective function, the optimum operations are found by means of DFP method.
然后，以乙醛收率为目标函数，应用DFP法寻求最佳操作条件。
The DFP method of non-linear optimization is used to calculate shadow price in link. The REM algorithm is improved on the basis of analysis of REM algorithm and optimization flow control model.
在分析REM算法和最优化流控模型的基础上，改用非线性优化理论的变尺度算法计算链路影子价格， 从而改进丁REM算法。
Particularly, it is proved that if DFP or PSB matrix updating formulae are used, then our method will be convergent superlinearly under some conditions.
本文将集中讨论局部收敛性，特别是证明了在使用DFP或PSB等矩阵校正公式时，修正后的方法在一定的条件下是超线性收敛的。
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