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Stephen Downes
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Free Learning

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Core Definitions in Connectivism

A node is an object in a set of objects such that the value of the node is an integer in a set of integers.

A node is a member of a 'graph', if it is a member of an ordered pair together with an associated edge.

A node is 'connected' with another if a change of the value of one node in such an ordered paid can result in a change in the value of the second node in the pair.

If the node if an object (such as a neuron or a computer bit) a change in the value of the node is functionally equivalent to a change of state of the node.

For example, in connectionism, a node is a 'unit', where a vector is a set of processing units, represented by a set of integers. And for example, in graph theory, a graph is an ordered pair G = (V, E) comprising a set V of vertices or nodes or points together with a set E of edges or arcs or lines.


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The more you wish to exclude a certain sort of person from a school, the more you have a responsibility to welcome them in your home.

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