36 lines
1.9 KiB
Markdown
36 lines
1.9 KiB
Markdown
---
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id: 594d966a1467eb84194f0086
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title: 平均值 - 毕达哥拉斯指的是
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challengeType: 5
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videoUrl: ''
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---
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# --description--
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<p class='rosetta__paragraph'>计算整数<big>1</big>到<big>10</big> (包括)的所有三个<a class='rosetta__link--wiki' href='https://en.wikipedia.org/wiki/Pythagorean means' title='wp:毕达哥拉斯意味着'>毕达哥拉斯方法</a> 。 </p><p class='rosetta__paragraph'>为这组正整数显示<big>$ A(x_1,\ ldots,x_n)\ geq G(x_1,\ ldots,x_n)\ geq H(x_1,\ ldots,x_n)$</big> 。 </p>这三种方法中最常见的<a class='rosetta__link--rosetta' href='http://rosettacode.org/wiki/Averages/Arithmetic mean' title='平均值/算术平均值'>算术平均值</a>是列表的总和除以其长度: <big>$ A(x_1,\\ ldots,x_n)= \\ frac {x_1 + \\ cdots + x_n} {n} $</big> <a class='rosetta__link--wiki' href='https://en.wikipedia.org/wiki/Geometric mean' title='wp:几何平均值'>几何mean</a>是列表产品的$ n $ th根: <big>$ G(x_1,\\ ldots,x_n)= \\ sqrt \[n] {x_1 \\ cdots x_n} $</big> <a class='rosetta__link--wiki' href='https://en.wikipedia.org/wiki/Harmonic mean' title='wp:谐波意味着'>调和平均值</a>是$ n $除以总和列表中每个项目的倒数: <big>$ H(x_1,\\ ldots,x_n)= \\ frac {n} {\\ frac {1} {x_1} + \\ cdots + \\ frac {1} {x_n}} $</big> <p class='rosetta__paragraph'>假设输入是包含所有数字的有序数组。 </p><p class='rosetta__paragraph'>要获得答案,请按以下格式输出对象: </p><pre class='rosetta__pre'> {
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值:{
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算术:5.5,
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几何:4.528728688116765,
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谐波:3.414171521474055
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},
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测试:'是A> = G> = H?是'
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}
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</pre>
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# --hints--
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`pythagoreanMeans`是一种功能。
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```js
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assert(typeof pythagoreanMeans === 'function');
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```
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`pythagoreanMeans([1, 2, ..., 10])`应该等于上面相同的输出。
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```js
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assert.deepEqual(pythagoreanMeans(range1), answer1);
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```
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# --solutions--
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