Rigidity Testing of Frameworks

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Braces can make a square grid rigid. If every row and column has a brace, the braces can be considered as nodes of a graph. These nodes are connected if they share a row or column. If the resulting graph is connected, the structure is rigid. Click the squares to add or remove braces.

Contributed by: Ed Pegg Jr (August 2008)
Open content licensed under CC BY-NC-SA


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