You may also like

problem icon

Instant Insanity

Given the nets of 4 cubes with the faces coloured in 4 colours, build a tower so that on each vertical wall no colour is repeated, that is all 4 colours appear.

problem icon

Magic Caterpillars

Label the joints and legs of these graph theory caterpillars so that the vertex sums are all equal.

problem icon

Plum Tree

Label this plum tree graph to make it totally magic!

Neural Nets

Stage: 5
Article by Steve Hewson and Ben Millwood

Published September 2012.

Treat the systems as evolving according to discrete timesteps and use a spreadsheet for the calculations.