Table 4 The optimal values of R.F.s with different choices of \({m}_{i}\), \(i=\mathrm{1,2},\mathrm{3,4}\)
| Â | Â | Â | Â | RF | RF | RF | RF |
|---|---|---|---|---|---|---|---|
\({m}_{1}\) | \({m}_{2}\) | \({m}_{3}\) | \({m}_{4}\) | \(\upsilon =0.70\) | \(\upsilon =0.80\) | \(\upsilon =0.90\) | \(\upsilon =1\) |
 4 |  4 |  6 |  5 | \(7.2589\mathrm{E}-09\) | \(6.9641\mathrm{E}-09\) | \(4.9276\mathrm{E}-09\) | \(1.5394\mathrm{E}-09\) |