The setpartition problem is a typical NP-Complete problem. An optimization model of setpartition problem is given in this paper. An ant colony algorithm is put forward to solve this problem.
集合划分问题是一个典型的NP完全问题,建立了集合划分问题的优化数学模型,采用蚁群算法解决了此问题。
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Cycloidal tooth profile of the internal gear pump, also called cycloidal rotor pump, pump the small gear and internal gear only related a tooth, so the internal gear pump do not need to setpartition.