Table 5.

p53-mdm2 system: comparison of average errors for Euler, expEuler, Heun, and expHeun methods.

Step size	Euler	expEuler	Heun	expHeun
1/16	3.5455	9.7152 × 10−3	3.3784	2.47061 × 10−3
1/32	1.3141 × 10−3	5.3681 × 10−3	1.7446 × 10−4	1.2767 × 10−3
1/64	6.5825 × 10−4	2.7553 × 10−3	5.9564 × 10−5	4.383 × 10−4
1/128	3.0970 × 10−4	1.3769 × 10−3	4.7031 × 10−5	1.1482 × 10−4