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Ailsa Land

The Guardian

Ailsa Land obituary

You’re moving house and you want to pack the largest possible number of different sized items into a box, but don’t want the box to end up too heavy to lift. Or you have a series of related jobs to do, and you need to know what order to do them in so that you finish by a certain time. These are optimisation problems, and they were the kind of problem that fascinated Ailsa Land, who has died aged 93.
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