“InfimumAndSupremumOfSumAndProduct”的概念、定义、习题解题方法及翻译-数学辞典

单词	InfimumAndSupremumOfSumAndProduct
释义	infimum and supremum of sum and product Suppose that the real functions $f$ and $g$ are defined on an interval $\\Delta$ . Then on this interval • $\\inf(f\\!+\\!g)\\;\\geqq\\;\\inf f+\\inf g$ • $\\sup(f\\!+\\!g)\\;\\leqq\\;\\sup f+\\sup g$ If $f$ and $g$ are also nonnegative on $\\Delta$ , we can write • $\\inf(fg)\\;\\geqq\\;\\inf f\\cdot\\inf g$ • $\\sup(fg)\\;\\leqq\\;\\sup f\\cdot\\sup g$
随便看	structure of finite hyperreal numbers StructureOfmathbbZnmathbbZtimesAsAnAbelianGroup structure of (ℤ/n⁢ℤ)^× as an abelian group StructureSheaf structure sheaf StufeOfAField stufe of a field SturdyNumber sturdy number SturmsTheorem Sturm’s theorem Størmer number Subadditive subadditive Subadditivity subadditivity SubalgebraOfAnAlgebraicSystem subalgebra of an algebraic system SubalgebraOfAPartialAlgebra subalgebra of a partial algebra SubanalyticSet subanalytic set Subbasis subbasis Subbundle

数学辞典收录了18232条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。

infimum and supremum of sum and product