NonNegativeReals
表示非负实数域..
更多信息
- 如果 x 是一个数值量,x∈NonNegativeReals 立即进行计算.
- Simplify[expr∈NonNegativeReals,assum] 可用于尝试确定表达式在给定假设下是否为非负实数.
- (x1x2…)∈NonNegativeReals 和 {x1,x2,…)∈NonNegativeReals 测试是否所有的 xi 都是非负实数.
- NonNegativeReals 以 StandardForm 或 TraditionalForm 格式输出,如 . 可用 nnreals 输入这种排版格式.
范例
打开所有单元关闭所有单元范围 (4)
属性和关系 (4)
NonNegativeReals 中的成员等价于 Reals 中非负的成员:
NonNegativeReals 包含 NonNegativeRationals 和 NonNegativeIntegers:
NonNegativeReals 被包含于 Complexes 中:
NonNegativeReals 与 NegativeReals 不相交:
与 NonPositiveReals 相交:
Wolfram Research (2019),NonNegativeReals,Wolfram 语言函数,https://reference.wolfram.com/language/ref/NonNegativeReals.html.
文本
Wolfram Research (2019),NonNegativeReals,Wolfram 语言函数,https://reference.wolfram.com/language/ref/NonNegativeReals.html.
CMS
Wolfram 语言. 2019. "NonNegativeReals." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/NonNegativeReals.html.
APA
Wolfram 语言. (2019). NonNegativeReals. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/NonNegativeReals.html 年