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我有多项式的系统,相当简单的多项式EX pressions而是长优化我的手。实施例pressions分组在集,而在一组给定的有在多个变量常用术语I have systems of polynomials, fairly simple polynomial expressions but rather longto...阅读全文
我一直在努力解决SQL一些棘手的问题,我需要从事件的时间间隔推断资产利用率,并刚刚了解的艾伦的区间代数,这似乎是关键,解决这些问题。I've been struggling to solve a few tricky problems in SQL where I need to infer asset utilis...阅读全文
有没有什么算法,可以找到一个任意符号代数EX pression在树 - 表所设的预兆? Is there any algorithm that can find the sign of an arbitrary symbolic algebraic expression given in a "Tree - Form...阅读全文