Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-022-02132-4/MediaObjects/13638_2022_2132_Fig4_HTML.png)
Simulation and approximated results of \(\eta \left( \varphi \right)\), \(N = 100\). The figure shows the simulation and approximated results of \(\eta \left( \varphi \right)\), \(N = 100\) and validates the accuracy of the approximation
Simulation and approximated results of \(\eta \left( \varphi \right)\), \(N = 100\). The figure shows the simulation and approximated results of \(\eta \left( \varphi \right)\), \(N = 100\) and validates the accuracy of the approximation