I wish David Sumpter had been my maths teacher. I hated the subject at school. I hoover up his books now. He is a professor of applied mathematics – meaning maths as it is used to explain and model the real world. His book Soccermatics dug fascinatingly into the patterns underlying football. Outnumbered looked at the maths behind tech companies’ algorithms. The Ten Equations That Rule the World did the same for financial, media and gambling companies.
This new book takes a step further towards the personal and everyday. It unpicks four big 20th-century ideas, all related to mathematical modelling of real-world behaviour. Sumpter calls these approaches statistical, interactive (broadly meaning how interactions between individuals create patterns), chaotic (derived from chaos theory) and complex (from
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