Efficient Exponential Time-Differencing Methods for the Optical Soliton Solutions to the Space-Time Fractional Coupled Nonlinear Schrödinger Equation

Table 2

Temporal convergence rates of the two-step ETD scheme with Padé approximation for FCNLSE (32) with .

	for	Order	for	Order
0.1	1.8527e − 3	—	1.7532e − 3	—
0.05	5.3631e − 4	1.7885	4.9810e − 4	1.8155
0.025	1.5159e − 4	1.8229	1.3967e − 4	1.8344
0.0125	4.2812e − 5	1.8241	3.9562e − 5	1.8198