$MinNumber
使用されるコンピュータシステムで表せる任意精度の最小の正の数を示す.
詳細
- $MinNumberの通常の値は約
である. - $MinNumberは$MachinePrecisionに与えられる近似であり,表示可能な最小数の桁数のビットすべては含まない.
例題
すべて開く すべて閉じる例 (2)
特性と関係 (3)
$MinNumberは可能な範囲で最小の指数を持つ:
RealDigits[$MinNumber, 2]$MinNumber×$MaxNumberはおよそ1である:
$MinNumber * $MaxNumber$MinNumberは機械数ではない:
MachineNumberQ[$MinNumber]Precision[$MinNumber] == MachinePrecisionテクニカルノート
-
▪
- 機械精度の数値
履歴
1996 で導入 (3.0)
テキスト
Wolfram Research (1996), $MinNumber, Wolfram言語関数, https://reference.wolfram.com/language/ref/$MinNumber.html.
CMS
Wolfram Language. 1996. "$MinNumber." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$MinNumber.html.
APA
Wolfram Language. (1996). $MinNumber. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$MinNumber.html
BibTeX
@misc{reference.wolfram_2026_$minnumber, author="Wolfram Research", title="{$MinNumber}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/$MinNumber.html}", note=[Accessed: 19-August-2026]}
BibLaTeX
@online{reference.wolfram_2026_$minnumber, organization={Wolfram Research}, title={$MinNumber}, year={1996}, url={https://reference.wolfram.com/language/ref/$MinNumber.html}, note=[Accessed: 19-August-2026]}