An Efficient Approach Based on the Gradient Definition for Solving Conditional Nonlinear Optimal Perturbation

Table 1

The difference value between CNOP values calculated by adjoint method and our approach.

Initial month	1	2	3	4	5	6	7	8	9	10	11	12
	3.0	2.8	3.1	3.9	1.8	1.7	2.1	1.6	1.9	5.3	1.8	2.1
	3.1	3.1	2.5	3.6	3.1	1.3	1.3	1.1	3.3	2.6	2.9	2.7