Table 1 Comparison of soliton types and methods.
Types of soliton | Sardar sub-equation method | Generalized unified method | Ex-function method51 |
|---|---|---|---|
W-type | \(\checkmark\) | \(\times\) | \(\times\) |
Bright | \(\checkmark\) | \(\times\) | \(\times\) |
Periodic | \(\checkmark\) | \(\checkmark\) | \(\checkmark\) |
Dark | \(\times\) | \(\checkmark\) | \(\times\) |