| Present work | Fathizadeh et al. [14] | Hayat et al. [9] | Chiam [5] |
|
| −1.9025302 | −1.9098 | −1.9098 | −1.90253 | 0 |
| −2.1529005 | −2.1528 | −2.1528 | −2.15290 | 1 |
| −2.9414400 | −2.9414 | −2.9414 | −2.94144 | 5 |
| −3.6956600 | −3.6956 | −3.6956 | −3.69566 | 10 |
| −7.3256104 | −7.3256 | −7.3256 | −7.32561 | 50 |
| −10.1816304 | −10.1816 | −10.1816 | −10.1816 | 100 |
| −22.4425144 | −22.4425 | −22.4425 |
| 500 |
| −31.6806970 | −31.6806 | −31.6806 |
| 1000 |