Negative

Negative[x]

x が負の数である場合にTrueを返す.

詳細

  • Negative[x]は,x が負ではない数あるいは複素数量であることが明白な場合に,Falseを返す.明白ではない場合は未評価のままにする.

例題

  (1)

異なるタイプの数を評価する:

NumericQではない数量は未評価のまま残される:

Wolfram Research (1988), Negative, Wolfram言語関数, https://reference.wolfram.com/language/ref/Negative.html.

テキスト

Wolfram Research (1988), Negative, Wolfram言語関数, https://reference.wolfram.com/language/ref/Negative.html.

CMS

Wolfram Language. 1988. "Negative." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Negative.html.

APA

Wolfram Language. (1988). Negative. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Negative.html

BibTeX

@misc{reference.wolfram_2024_negative, author="Wolfram Research", title="{Negative}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/Negative.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_negative, organization={Wolfram Research}, title={Negative}, year={1988}, url={https://reference.wolfram.com/language/ref/Negative.html}, note=[Accessed: 22-November-2024 ]}