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exponential decay
e for exponential
At the beginning of an epidemic the number of infected people grows exponentially. But why does the number
e
appear in descriptions of this growth?
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Compound infections
Why does the number
e
appear in models of exponential growth?
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How do we remember? And how quickly do we forget?
Researchers have shown that the fates of our collective memories, whether of a song, a research paper, an invention or a sports star, are all described by the same mathematical equation.
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