support For a function f:X→R on a topological space (or metric space) X, the support of f is the closure of the subset {xεX | f(x) ≠ 0}.
support
数学辞典收录了4151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。