45 lines
1.4 KiB
Markdown
45 lines
1.4 KiB
Markdown
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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
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# Function config
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Set configuration options for math.js, and get current options.
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Will emit a 'config' event, with arguments (curr, prev, changes).
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This function is only available on a mathjs instance created using `create`.
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## Syntax
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```js
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math.config(config: Object): Object
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```
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### Parameters
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Parameter | Type | Description
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--------- | ---- | -----------
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`options` | Object | Available options: {number} epsilon Minimum relative difference between two compared values, used by all comparison functions. {string} matrix A string 'Matrix' (default) or 'Array'. {string} number A string 'number' (default), 'BigNumber', or 'Fraction' {number} precision The number of significant digits for BigNumbers. Not applicable for Numbers. {string} parenthesis How to display parentheses in LaTeX and string output. {string} randomSeed Random seed for seeded pseudo random number generator. Set to null to randomly seed.
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### Returns
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Type | Description
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---- | -----------
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Object | Returns the current configuration
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## Examples
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```js
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import { create, all } from 'mathjs'
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// create a mathjs instance
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const math = create(all)
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math.config().number // outputs 'number'
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math.evaluate('0.4') // outputs number 0.4
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math.config({number: 'Fraction'})
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math.evaluate('0.4') // outputs Fraction 2/5
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```
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