$Post

$Post

是一个全局变量,如果设置,它的值应用到每个输出表达式.

范例

基本范例  (3)

在缺省情况下,$Post 没有定义,表示输出直接从计算中得到:

设置 $PostN,这样计算后所有表达式进行数值计算:

恢复 $Post 为缺省值:

设置 $PostSimplify,每次输出尽可能进行符号化简:

恢复 $Post 为缺省值:

Wolfram Research (1988),$Post,Wolfram 语言函数,https://reference.wolfram.com/language/ref/$Post.html.

文本

Wolfram Research (1988),$Post,Wolfram 语言函数,https://reference.wolfram.com/language/ref/$Post.html.

CMS

Wolfram 语言. 1988. "$Post." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/$Post.html.

APA

Wolfram 语言. (1988). $Post. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/$Post.html 年

BibTeX

@misc{reference.wolfram_2024_$post, author="Wolfram Research", title="{$Post}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/$Post.html}", note=[Accessed: 15-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_$post, organization={Wolfram Research}, title={$Post}, year={1988}, url={https://reference.wolfram.com/language/ref/$Post.html}, note=[Accessed: 15-November-2024 ]}