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2 |
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3 | # Function setIsSubset
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4 |
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5 | Check whether a (multi)set is a subset of another (multi)set. (Every element of set1 is the element of set2.)
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6 | Multi-dimension arrays will be converted to single-dimension arrays before the operation.
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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.setIsSubset(set1, set2)
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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 | `a1` | Array | Matrix | A (multi)set
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20 | `a2` | Array | Matrix | A (multi)set
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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 | true | false
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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.setIsSubset([1, 2], [3, 4, 5, 6]) // returns false
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33 | math.setIsSubset([3, 4], [3, 4, 5, 6]) // returns true
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34 | ```
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35 |
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36 |
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37 | ## See also
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38 |
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39 | [setUnion](setUnion.md),
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40 | [setIntersect](setIntersect.md),
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41 | [setDifference](setDifference.md)
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