Math 2.0

Special functions Concept

Exponential function

Summary

The exponential function x↦exx \mapsto e^x is the function that equals its own derivative and takes the value 11 at 00. It turns sums into products, and it is the sum of the power series ∑xn/n!\sum x^n / n!. The node exponential function gives the precise definition.

Where this leads

13 pages build on this one.

Further reading

  1. Web https://en.wikipedia.org/wiki/Exponential_function, lead section
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MSC33B10, 26A09
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