NonPositive

NonPositive[x]

如果 x 是一个非正数，则返回 True.

范例

基本范例  (1)

不同类型数的运算：

非 NumericQ 的分位数保持不计算的形式：

Wolfram Research (1996)，NonPositive，Wolfram 语言函数，https://reference.wolfram.com/language/ref/NonPositive.html.

文本

Wolfram Research (1996)，NonPositive，Wolfram 语言函数，https://reference.wolfram.com/language/ref/NonPositive.html.

CMS

Wolfram 语言. 1996. "NonPositive." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/NonPositive.html.

APA

Wolfram 语言. (1996). NonPositive. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/NonPositive.html 年

BibTeX

@misc{reference.wolfram_2024_nonpositive, author="Wolfram Research", title="{NonPositive}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/NonPositive.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_nonpositive, organization={Wolfram Research}, title={NonPositive}, year={1996}, url={https://reference.wolfram.com/language/ref/NonPositive.html}, note=[Accessed: 22-November-2024 ]}