@Article{CAM-7-2,
author = {},
title = {法国科学家成功计算出圆周率小数点后2.7万亿位},
journal = {CAM-Net Digest},
year = {2010},
volume = {7},
number = {2},
pages = {4--4},
abstract = {<p style="text-align: justify;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">据香港《文汇报》1月8日报道，法国一名科学家仅仅利用一台个人计算机，成功计算出圆</span><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">周率Pi小数点后2.7万亿位，创造出Pi计算的新纪录。 </span><br/><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">贝利雅德足足用了131天计算并检验圆周率，较早前的记录多出1000亿位。贝利雅德计算</span><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">出的数据非常长，如果每秒报出一个数字，需要8.5万年时间才能读出所有数字。为了计算</span><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">出这一数值，贝利雅德自编计算机软件算法，效率提高20倍。 </span><br/><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">圆周率计算的上一次纪录由日本筑波大学的高桥大辅创造，他在2009年8月用29个小时，</span><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">计算到Pi小数点后2.6万亿位。但上次使用的超级计算机，比贝利雅德所使用个人计算机</span><span style="font-family: arial, helvetica, sans-serif; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">快2000倍，价格也高出数千倍。</span></span></p>},
issn = {},
doi = {https://doi.org/2010-CAM-16776},
url = {https://global-sci.com/article/78066/27}
}