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数据传奇

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讲述了四百年前第谷、开普勒的数据传奇

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数据传奇

  1. 1. 2016 9
  2. 2. ·
  3. 3. Prosthaphaeresis Prosthaphaeresis 25 1614 105 720 1. 0.105 0.720 2. cos(84°) = 0.105, cos(44°) = 0.720 3. 84 + 44 = 128, 84 − 44 = 40 4. ½[cos(128°) + cos(40°)] = ½[−0.616 + 0.766] = 0.075 5. 75,000. 6. 75,600.
  4. 4. · 1596
  5. 5. 1601 1609 1618 1643 1687
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