頁籤選單縮合
題 名 | On the Standard Rounding Rule for Multiplication and Division |
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作 者 | Mulliss,Christopher L.; Lee,Wei; | 書刊名 | Chinese Journal of Physics |
卷 期 | 36:3 1998.06[民87.06] |
頁 次 | 頁479-487 |
分類號 | 330 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | A detailed study of the standard rounding rule for multiplication and division is presented including its derivation from a basic assumption. Through Monte-Carlo simulations, it is shown that this rule predicts the minimum number of significant digits needed to preserve precision only 46.4% of the time and leads to a loss in precision 53.5% of the time. An alternate rule is studied and is found to be significantly more accurate than the standard rule and completely safe for data, never leading to a loss in precision. It is suggested that this alternate rule be adopted as the new standard. PACS. 01.30.Pp - Textbooks for undergraduates. PACS. 01.55.+b - General physics. |
本系統中英文摘要資訊取自各篇刊載內容。