以优化后的预处理正交极小化算法为基础 ，对多层二维二相全隐式模拟模型进行了以层为单位的粗粒度并行任务划分 。
At the base of optimized ORTHOMIN method, the two dimension two phase full-implicit model with muti-layers has been paralleled as coarse granularity.
本文讨论了跨期套利交易的价差风险极小化模型、方法和算法。
In this paper the models, methods and algorithm of minimum risk of price difference in the derivative security market are discussed.
传统的模糊c -均值(FCM)聚类是一种基于梯度下降的优化算法，该方法对初始化较敏感，且易陷入局部极小。
The traditional fuzzy C-means (FCM) algorithm is an optimization algorithm based on gradient descending. it is sensitive to the initial condition and liable to be trapped in a local minimum.
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