期刊论文详细信息
| Journal of inequalities and applications | |
| Further refinements of Gurland’s formula for π | |
| Long Lin1 | |
| 关键词: gamma function; psi function; Wallis ratio; inequality; asymptotic formula; | |
| DOI : 10.1186/1029-242X-2013-48 | |
| 学科分类：数学（综合） | |
| 来源: SpringerOpen | |
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【 摘 要 】
We establish more accurate formulas for approximating π which refine some known results due to Gurland and Mortici. MSC:33B15, 26D07, 41A60.
【 授权许可】
CC BY
【 预 览 】
| Files | Size | Format | View |
|---|---|---|---|
| RO201902010415973ZK.pdf | 244KB |  download |
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