GRAPH NEURAL NETWORKS · A FIELD GUIDE

A tiny grid.
A local rule.
A wider view.

Follow a feature from one bus to the next. Learn how messages become representations—and what the graph alone cannot promise.

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Five invented node features. Every number in this graph can be traced by hand.

For the applied-ML reader. We introduce graph notation, shared functions and permutation as they become useful. No electrical-engineering background or GNN framework required.

A tiny grid.A local rule.A wider view.

A tiny grid.
A local rule.
A wider view.