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【读书笔记】《程序员的数学》 #920

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yangwenmai opened this issue Apr 3, 2019 · 0 comments
Open

【读书笔记】《程序员的数学》 #920

yangwenmai opened this issue Apr 3, 2019 · 0 comments
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读书笔记 我自己读书的笔记或思考

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@yangwenmai
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  1. 以 10、2 为底的对数

log10 1000 表示“10 的几次方是1000”,log2 8 表示“2 的几次方是 8”
这个法则,我已经忘记了,今天看书得到了回顾。

  1. 再难以处理的庞大数字,它的对数都是更易处理的较小的数字。(log10 100000000=8)

若在纵轴上使用对数,即使发生指数爆炸也能绘制出一目了然的图表来,这个称为:对数图表。

  1. 指数法则和对数

10^a*10^b = 10^(a+b),使用对数,就能将乘法转换为加法。“将复杂计算转换为简单的计算”。

@yangwenmai yangwenmai added the 读书笔记 我自己读书的笔记或思考 label Apr 3, 2019
@yangwenmai yangwenmai pinned this issue Apr 3, 2019
@yangwenmai yangwenmai unpinned this issue Mar 6, 2020
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