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50 lines
1.2 KiB
Markdown
50 lines
1.2 KiB
Markdown
# Function add
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Add two values, `x + y`.
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For matrices, the function is evaluated element wise.
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## Syntax
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```js
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math.add(x, y)
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```
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### Parameters
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Parameter | Type | Description
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--------- | ---- | -----------
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`x` | Number | BigNumber | Boolean | Complex | Unit | String | Array | Matrix | null | First value to add
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`y` | Number | BigNumber | Boolean | Complex | Unit | String | Array | Matrix | null | Second value to add
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### Returns
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Type | Description
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---- | -----------
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Number | BigNumber | Complex | Unit | String | Array | Matrix | Sum of `x` and `y`
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## Examples
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```js
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math.add(2, 3); // returns Number 5
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var a = math.complex(2, 3);
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var b = math.complex(-4, 1);
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math.add(a, b); // returns Complex -2 + 4i
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math.add([1, 2, 3], 4); // returns Array [5, 6, 7]
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var c = math.unit('5 cm');
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var d = math.unit('2.1 mm');
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math.add(c, d); // returns Unit 52.1 mm
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```
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## See also
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[subtract](subtract.md)
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