| 1 | ---
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| 2 | title: iper
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| 3 | ---
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| 4 | # iper
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| 5 |
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| 6 | > Hypergraphs for breakfast!
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| 7 |
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| 8 | [](https://nodejs.org/en/) [](http://badge.fury.io/js/iper) [](https://travis-ci.org/fibo/iper?branch=master) [](https://gemnasium.com/fibo/iper) [](https://coveralls.io/r/fibo/iper?branch=master) [](http://g14n.info/iper/test)
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| 9 |
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| 10 | [](https://github.com/feross/standard)
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| 11 |
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| 12 | [](https://nodei.co/npm-dl/iper/)
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| 13 |
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| 14 | ## Installation
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| 15 |
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| 16 | With [npm](https://npmjs.org/) do
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| 17 |
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| 18 | ```bash
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| 19 | npm install iper
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| 20 | ```
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| 21 |
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| 22 | With [bower](http://bower.io/) do
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| 23 |
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| 24 | ```bash
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| 25 | bower install iper
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| 26 | ```
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| 27 |
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| 28 | ## API
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| 29 |
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| 30 | ### `new Graph([graph])`
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| 31 |
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| 32 | > Hypergraph constructor.
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| 33 |
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| 34 | ```javascript
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| 35 | var graph = new Graph()
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| 36 | ```
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| 37 |
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| 38 | * **@param** `{Object}` [graph]
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| 39 | * **@param** `{Object}` [graph.edges]
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| 40 | * **@param** `{Object}` [graph.nodes]
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| 41 | * **@param** `{Boolean}` [graph.multigraph] can contain duplicated edges
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| 42 | * **@param** `{Boolean}` [graph.pseudograph] is a multigraph with loops allowed
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| 43 | * **@param** `{Number}` [graph.uniform] all edges has the same cardinality (i.e. number of nodes)
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| 44 |
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| 45 | ### graph.addEdge(nodeIds)
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| 46 |
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| 47 | > Add an hyperedge that connects given nodeIds.
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| 48 |
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| 49 | * **@param** `{Array}` nodeIds
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| 50 | * **@returns** `{String}` id
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| 51 |
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| 52 | ### graph.addNode(data)
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| 53 |
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| 54 | > Add a node, containing given data.
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| 55 |
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| 56 | ```javascript
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| 57 | var nodeId = graph.addNode({ label: 'foo' })
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| 58 | ```
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| 59 |
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| 60 | * **@param** `{*}` [data]
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| 61 | * **@returns** `{String}` id of the node created
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| 62 |
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| 63 | ### graph.degreeOf(nodeId)
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| 64 |
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| 65 | > Returns the degree of a node, that is the number of incident edges with loops counted twice.
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| 66 |
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| 67 | * **@param** `{String}` id
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| 68 | * **@returns** `{void}`
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| 69 |
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| 70 | ### graph.delEdge(id)
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| 71 |
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| 72 | > Delete edge by given id.
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| 73 |
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| 74 | * **@param** `{String}` id
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| 75 | * **@returns** `{void}`
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| 76 |
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| 77 | ### graph.delNode(id)
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| 78 |
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| 79 | > Delete node by given id.
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| 80 |
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| 81 | * **@param** `{String}` id
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| 82 | * **@returns** `{void}`
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| 83 |
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| 84 | ## License
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| 85 |
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| 86 | [MIT](http://www.g14n.info/mit-license)
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