Approximation of Directional Step Derivative of Complex-Valued Functions Using a Generalized Quaternion System
The step derivative of a complex function can be defined with various methods. The step direction defines a basis that is distinct from that of a complex number; the derivative can then be treated by using Taylor series expansion in this direction. In this study, we define step derivatives based on...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-08-01
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| Series: | Axioms |
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| Online Access: | https://www.mdpi.com/2075-1680/10/3/206 |