Research Article
Numerical Solution of First-Order Linear Differential Equations in Fuzzy Environment by Runge-Kutta-Fehlberg Method and Its Application
Table 1
Comparison of the exact solutions and numerical solutions for different step lengths at
.
| | Exact solution for (i)-gH differentiable case | Exact solution for (ii)-gH differentiable case | Numerical solution for by RKF method | Numerical solution for by RKF method | Numerical solution for by RKF method | | | | | | | | | | |
| 0 | 0.9686 | 1.0139 | 1.0558 | 1.1111 | 1.0597 | 1.1149 | 0.9696 | 1.0201 | 0.9610 | 1.0110 | 0.1 | 0.9723 | 1.0130 | 1.0602 | 1.1099 | 1.0642 | 1.1138 | 0.9737 | 1.0191 | 0.9650 | 1.0100 | 0.2 | 0.9759 | 1.0121 | 1.0646 | 1.1088 | 1.0686 | 1.1127 | 0.9777 | 1.0181 | 0.9690 | 1.0090 | 0.3 | 0.9795 | 1.0112 | 1.0691 | 1.1077 | 1.0730 | 1.1116 | 0.9818 | 1.0171 | 0.9730 | 1.0080 | 0.4 | 0.9831 | 1.0103 | 1.0735 | 1.1066 | 1.0774 | 1.1105 | 0.9858 | 1.0161 | 0.9770 | 1.0070 | 0.5 | 0.9867 | 1.0094 | 1.0779 | 1.1055 | 1.0818 | 1.1094 | 0.9898 | 1.0151 | 0.9810 | 1.0060 | 0.6 | 0.9904 | 1.0085 | 1.0823 | 1.1044 | 1.0862 | 1.1083 | 0.9939 | 1.0141 | 0.9850 | 1.0050 | 0.7 | 0.9940 | 1.0076 | 1.0867 | 1.1033 | 1.0906 | 1.1072 | 0.9979 | 1.0131 | 0.9890 | 1.0040 | 0.8 | 0.9976 | 1.0066 | 1.0912 | 1.1022 | 1.0951 | 1.1061 | 1.0020 | 1.0121 | 0.9930 | 1.0030 | 0.9 | 1.0012 | 1.0057 | 1.0956 | 1.1011 | 1.0995 | 1.1050 | 1.0060 | 1.0110 | 0.9970 | 1.0020 | 1 | 1.0048 | 1.0048 | 1.1000 | 1.1000 | 1.1039 | 1.1039 | 1.0100 | 1.0100 | 1.0010 | 1.0010 |
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