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2014 | OriginalPaper | Chapter

5. Exponents and Logarithms

Authors : João Pedro Morais, Svetlin Georgiev, Wolfgang Sprößig

Published in: Real Quaternionic Calculus Handbook

Publisher: Springer Basel

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Abstract

The real exponential and logarithmic functions play an important role in advanced mathematics, including applications to calculus, differential equations, and complex analysis. In this chapter we use the properties of quaternions described in the previous chapters to define and study the quaternionic analogues of these functions.

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Footnotes
1
It is not trivial to define the quaternion exponential function. Here, we prefer to do this through a power series expansion.
 
2
This constant is defined as the limit \(e =\lim _{n\rightarrow \infty }\bigg{(1 + \frac{1} {n}\bigg)}^{n}\).
 
3
The branch corresponding to n = 0 is known as the principal branch, therefore the values that the function takes along this branch are known as principal values.
 
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Metadata
Title
Exponents and Logarithms
Authors
João Pedro Morais
Svetlin Georgiev
Wolfgang Sprößig
Copyright Year
2014
Publisher
Springer Basel
DOI
https://doi.org/10.1007/978-3-0348-0622-0_5

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