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| 2 |
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| 3 | # Function or
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| 4 |
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| 5 | Logical `or`. Test if at least one value is defined with a nonzero/nonempty value.
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| 6 | For matrices, the function is evaluated element wise.
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| 7 |
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| 8 |
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| 9 | ## Syntax
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| 10 |
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| 11 | ```js
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| 12 | math.or(x, y)
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| 13 | ```
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| 14 |
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| 15 | ### Parameters
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| 16 |
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| 17 | Parameter | Type | Description
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| 18 | --------- | ---- | -----------
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| 19 | `x` | number | BigNumber | Complex | Unit | Array | Matrix | First value to check
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| 20 | `y` | number | BigNumber | Complex | Unit | Array | Matrix | Second value to check
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| 21 |
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| 22 | ### Returns
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| 23 |
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| 24 | Type | Description
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| 25 | ---- | -----------
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| 26 | boolean | Array | Matrix | Returns true when one of the inputs is defined with a nonzero/nonempty value.
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| 27 |
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| 28 |
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| 29 | ## Examples
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| 30 |
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| 31 | ```js
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| 32 | math.or(2, 4) // returns true
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| 33 |
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| 34 | a = [2, 5, 0]
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| 35 | b = [0, 22, 0]
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| 36 | c = 0
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| 37 |
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| 38 | math.or(a, b) // returns [true, true, false]
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| 39 | math.or(b, c) // returns [false, true, false]
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| 40 | ```
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| 41 |
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| 42 |
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| 43 | ## See also
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| 44 |
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| 45 | [and](and.md),
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| 46 | [not](not.md),
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| 47 | [xor](xor.md)
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