A Family of Trigonometrically Fitted Enright Second Derivative Methods for Stiff and Oscillatory Initial Value Problems

Table 1

The local truncation error for various cases.

Case	Method	Order	Error constant
1	(12)	3	1/7
2	(13)	4	7/1440
	(14)	4	23/1440
3	(15)	5	17/7200
	(16)	5	−2/225
	(17)	5	11/2400
4	(18)	6	41/30240
	(19)	6	11/1120
	(20)	6	−1/756
	(21)	6	19/10080