TabularQ

TabularQ[tab]

如果 tab 是有效的 Tabular 对象,给出 True,否则给出 False.

更多信息

范例

打开所有单元关闭所有单元

基本范例  (2)

判断一个对象是否是有效的 Tabular 对象:

判断 ToTabular 是否创建了一个有效的 Tabular 对象:

范围  (4)

判断含有命名列的 Tabular 对象是否有效:

判断其中包含没有名称的列的 Tabular 对象是否有效:

对于不是 Tabular 对象的任何内容,TabularQ 给出 False

Tabular 对象的行数可以为零:

列数也可以为零:

属性和关系  (1)

TabularQ 判断整个l Tabular 对象的有效性:

TabularRowQ 判断行的有效性:

TabularColumnQ 判断列的有效性:

Wolfram Research (2025),TabularQ,Wolfram 语言函数,https://reference.wolfram.com/language/ref/TabularQ.html.

文本

Wolfram Research (2025),TabularQ,Wolfram 语言函数,https://reference.wolfram.com/language/ref/TabularQ.html.

CMS

Wolfram 语言. 2025. "TabularQ." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/TabularQ.html.

APA

Wolfram 语言. (2025). TabularQ. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/TabularQ.html 年

BibTeX

@misc{reference.wolfram_2025_tabularq, author="Wolfram Research", title="{TabularQ}", year="2025", howpublished="\url{https://reference.wolfram.com/language/ref/TabularQ.html}", note=[Accessed: 15-January-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_tabularq, organization={Wolfram Research}, title={TabularQ}, year={2025}, url={https://reference.wolfram.com/language/ref/TabularQ.html}, note=[Accessed: 15-January-2025 ]}