Correction to: Eur. Phys. J. Plus (2023) 138:426 https://doi.org/10.1140/epjp/s13360-023-04038-6

In this article the affiliation ‘School for Data Science and Computational Thinking and Department of Mathematical Sciences, Stellenbosch University, Stellenbosch 7602, South Africa’ for Sibusiso Moyo was missing. The original article has been corrected.