Two New Approximations for Variable-Order Fractional Derivatives

Table 1

Maximum errors and convergence rates for Example 1 at and .

		(14)	Rate (14)	[19]	Rate [19]
	1/40		2.0753		1.9354
	1/80		1.9755		1.9421
	1/120		2.0121		1.9438
	1/160		2.0091		1.9468
	1/200		—		—