125 citations · 129 across the 2 of their papers we have counts for
2 papers
math.GM2014★ 125 cited
Quaternion Derivatives: The GHR Calculus
Dongpo Xu, Cyrus Jahanchahi, Clive C. Took +1
Quaternion derivatives in the mathematical literature are typically defined only for analytic (regular) functions. However, in engineering problems, functions of interest are often…
math.GM2013★ 4 cited
A Unifying Approach to Quaternion Adaptive Filtering: Addressing the Gradient and Convergence
Cyrus Jahanchahi, Danilo P. Mandic
A novel framework for a unifying treatment of quaternion valued adaptive filtering algorithms is introduced. This is achieved based on a rigorous account of quaternion differentiab…