NonPositive
NonPositive[x]
変数 x が正ではない数のときにTrueを返す.
例題
例 (1)
NumericQではない数量は評価されずに残る:
Wolfram Research (1996), NonPositive, Wolfram言語関数, https://reference.wolfram.com/language/ref/NonPositive.html.
テキスト
Wolfram Research (1996), NonPositive, Wolfram言語関数, https://reference.wolfram.com/language/ref/NonPositive.html.
CMS
Wolfram Language. 1996. "NonPositive." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/NonPositive.html.
APA
Wolfram Language. (1996). NonPositive. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/NonPositive.html