chore(learn): Applied MDX format to Chinese curriculum files (#40462)

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Randell Dawson
2020-12-16 00:37:30 -07:00
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---
id: 5a23c84252665b21eecc7e77
title: 高斯消除
challengeType: 5
videoUrl: ''
title: 高斯消除
---
## Description
<section id="description">编写一个函数来解决\Ax = b \)使用高斯消除然后向后替换。 \A \)是\n \次n \)矩阵。此外,\x \)和\b \)是\n \乘以1个向量。要提高准确性请使用部分旋转和缩放。 </section>
# --description--
## Instructions
<section id="instructions">
</section>
编写一个函数来解决\\Ax = b \\)使用高斯消除然后向后替换。 \\A \\)是\\n \\次n \\)矩阵。此外,\\x \\)和\\b \\)是\\n \\乘以1个向量。要提高准确性请使用部分旋转和缩放。
## Tests
<section id='tests'>
# --hints--
```yml
tests:
- text: <code>gaussianElimination</code>应该是一个函数。
testString: assert(typeof gaussianElimination=='function');
- text: '<code>gaussianElimination(&quot;+JSON.stringify(tests[0][0])+&quot;,&quot;+JSON.stringify(tests[0][1])+&quot;)</code>应该返回一个数组。'
testString: assert(Array.isArray(gaussianElimination([[1,1],[1,-1]], [5,1])));
- text: '<code>gaussianElimination(&quot;+JSON.stringify(tests[0][0])+&quot;,&quot;+JSON.stringify(tests[0][1])+&quot;)</code>应返回<code>&quot;+JSON.stringify(results[0])+&quot;</code> 。'
testString: assert.deepEqual(gaussianElimination([[1,1],[1,-1]], [5,1]), [ 3, 2 ]);
- text: '<code>gaussianElimination(&quot;+JSON.stringify(tests[1][0])+&quot;,&quot;+JSON.stringify(tests[1][1])+&quot;)</code>应返回<code>&quot;+JSON.stringify(results[1])+&quot;</code> 。'
testString: assert.deepEqual(gaussianElimination([[2,3],[2,1]] , [8,4]), [ 1, 2 ]);
- text: '<code>gaussianElimination(&quot;+JSON.stringify(tests[2][0])+&quot;,&quot;+JSON.stringify(tests[2][1])+&quot;)</code>应返回<code>&quot;+JSON.stringify(results[2])+&quot;</code> 。'
testString: assert.deepEqual(gaussianElimination([[1,3],[5,-2]], [14,19]), [ 5, 3 ]);
- text: '<code>gaussianElimination(&quot;+JSON.stringify(tests[3][0])+&quot;,&quot;+JSON.stringify(tests[3][1])+&quot;)</code>应返回<code>&quot;+JSON.stringify(results[3])+&quot;</code> 。'
testString: assert.deepEqual(gaussianElimination([[1,1],[5,-1]] , [10,14]), [ 4, 6 ]);
- text: '<code>gaussianElimination(&quot;+JSON.stringify(tests[4][0])+&quot;,&quot;+JSON.stringify(tests[4][1])+&quot;)</code>应返回<code>&quot;+JSON.stringify(results[4])+&quot;</code> 。'
testString: assert.deepEqual(gaussianElimination([[1,2,3],[4,5,6],[7,8,8]] , [6,15,23]), [ 1, 1, 1 ]);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
`gaussianElimination`应该是一个函数。
```js
function gaussianElimination (A,b) {
// Good luck!
}
assert(typeof gaussianElimination == 'function');
```
</div>
### After Test
<div id='js-teardown'>
`gaussianElimination("+JSON.stringify(tests[0][0])+","+JSON.stringify(tests[0][1])+")`应该返回一个数组。
```js
console.info('after the test');
assert(
Array.isArray(
gaussianElimination(
[
[1, 1],
[1, -1]
],
[5, 1]
)
)
);
```
</div>
</section>
## Solution
<section id='solution'>
`gaussianElimination("+JSON.stringify(tests[0][0])+","+JSON.stringify(tests[0][1])+")`应返回`"+JSON.stringify(results[0])+"`
```js
// solution required
assert.deepEqual(
gaussianElimination(
[
[1, 1],
[1, -1]
],
[5, 1]
),
[3, 2]
);
```
/section>
`gaussianElimination("+JSON.stringify(tests[1][0])+","+JSON.stringify(tests[1][1])+")`应返回`"+JSON.stringify(results[1])+"`
```js
assert.deepEqual(
gaussianElimination(
[
[2, 3],
[2, 1]
],
[8, 4]
),
[1, 2]
);
```
`gaussianElimination("+JSON.stringify(tests[2][0])+","+JSON.stringify(tests[2][1])+")`应返回`"+JSON.stringify(results[2])+"`
```js
assert.deepEqual(
gaussianElimination(
[
[1, 3],
[5, -2]
],
[14, 19]
),
[5, 3]
);
```
`gaussianElimination("+JSON.stringify(tests[3][0])+","+JSON.stringify(tests[3][1])+")`应返回`"+JSON.stringify(results[3])+"`
```js
assert.deepEqual(
gaussianElimination(
[
[1, 1],
[5, -1]
],
[10, 14]
),
[4, 6]
);
```
`gaussianElimination("+JSON.stringify(tests[4][0])+","+JSON.stringify(tests[4][1])+")`应返回`"+JSON.stringify(results[4])+"`
```js
assert.deepEqual(
gaussianElimination(
[
[1, 2, 3],
[4, 5, 6],
[7, 8, 8]
],
[6, 15, 23]
),
[1, 1, 1]
);
```
# --solutions--