Optimizing microfluidic chip for rapid SARS-CoV-2 detection using Taguchi method and artificial neural network PSO.

The error results show that the relative variation of successive values of u at each mesh point is calculated using the following expression: \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$Erro{r}_{j}=\left|\frac{{u}_{i+1}-{u}_{i}}{{u}_{i}}\right|\times 100$$\end{document} For other values of x, the fluctuating errors indicate more or less significant variations in u(i).

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