數學男孩圓周率之旅 (臺灣大學名譽教授 張鎮華)


格式 Format: 平裝書 Paperback
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Sale priceHK$69.00 Regular priceHK$107.00
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Product Info
Chinese Age 13 - Adult
平裝書 Paperback 208 pages 14.8 x 20.9 x 1.1 cm
Approx. weight: 0.5 kg
Publication date: 27 Mar,2024
Barcode: 9789865659523 遠流

More books in Chinese for Age 13 - Adult

Description

作者: 張鎮華


       圓是自然界與生活上常見的美妙形狀,它是神賜給人類的寶貴禮物,人自古以來就致力於瞭解其性質。要瞭解圓,就要瞭解圓周率,這個反應它的一個重要常數,小學時老師告訴我們圓周率是3.14,長大一點以後精確度提高到3.1416,到後來就用符號記為π。

  整本書以數學男孩吉拉一生的經歷,串起古今圓周率計算的工作,並適度介紹與圓周率相關的數學。故事起自吉拉和女兒們討論圓周率,轉而回憶吉拉小時的求學經驗。

  吉拉小學國語老師挑戰他們計算面積,接到初中學習幾何知識配合根號求值解決問題,輾轉到古代人對於圓周率的計算,集其大成者是南北朝數學家祖沖之,他求得的3.1415926是之後一千年內最精確的值。

  吉拉四姊計算平方數的挑戰,及他高中時對於完全數的迷戀,指向數學上的計算很容易到達人力的極限。吉拉學習電腦的故事逐漸展現,數學知識加上電腦的威力,讓一些人力不能及的計算,完成到前所未有的境界。現代人對於圓周率的計算就是這個浪潮下的一個小浪花,其中2019年日籍女工程師岩尾算到小數點後31.4兆位數是一個旅程碑。

作者

張鎮華

  退休後現為臺灣大學名譽教授。年輕時取得美國康乃爾大學運籌學博士學位,回臺灣後先後在中央大學、交通大學、臺灣大學任教。一生致力於離算數學及組合最優化研究,特別是圖論及其演算法,發表過專業論文兩百多篇及專書三冊。曾參與108數學課程綱要研修,撰寫相關介紹文章數十篇。

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