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

Table 1

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

	for	Order	for	Order
0.1	2.3309e − 3	—	2.2265e − 3	—
0.05	7.6231e − 4	1.6124	7.2183e − 4	1.6250
0.025	2.4983e − 4	1.6094	2.3503e − 4	1.6188
0.0125	8.1755e − 5	1.6116	7.6287e − 5	1.6233