NonNegativeReals

NonNegativeReals

表示非负实数域..

更多信息

  • 如果 x 是一个数值量,xNonNegativeReals 立即进行计算.
  • Simplify[exprNonNegativeReals,assum] 可用于尝试确定表达式在给定假设下是否为非负实数.
  • (x1|x2|)NonNegativeReals{x1,x2,)NonNegativeReals 测试是否所有的 xi 都是非负实数.
  • NonNegativeRealsStandardFormTraditionalForm 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

基本范例  (3)

是一个非负实数:

如果 是实数,则 是一个非负实数:

求方程的非负实数解:

范围  (4)

测试数值量是否为非负的:

进行域成员假设:

指定函数应该使用的默认域:

测试几个数字是否为非负实数:

如果任意一个数字明显不是非负数,则结果为 False

应用  (1)

测试是否为非负实数的成员是验证大型整数列表非负性的快速方法:

属性和关系  (4)

NonNegativeReals 中的成员等价于 Reals 中非负的成员:

NonNegativeReals 包含 NonNegativeRationalsNonNegativeIntegers

NonNegativeReals 被包含于 Complexes 中:

NonNegativeRealsNegativeReals 不相交:

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

BibTeX

@misc{reference.wolfram_2024_nonnegativereals, author="Wolfram Research", title="{NonNegativeReals}", year="2019", howpublished="\url{https://reference.wolfram.com/language/ref/NonNegativeReals.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_nonnegativereals, organization={Wolfram Research}, title={NonNegativeReals}, year={2019}, url={https://reference.wolfram.com/language/ref/NonNegativeReals.html}, note=[Accessed: 22-November-2024 ]}