The Spatiotemporal Variations of Runoff in the Yangtze River Basin under Climate Change

Table 7

The iteration history recor.

Number of iteration	Residual square sum	Parameters
		0.1	602098.061	1.000	1.000	1.000	1.000
1.1	1.755	.988	.918	.838	−.132
2.1	.160	.869	.703	−.370	.058
3.1	.141	.880	.799	−.404	.056
4.1	.140	3.691	.396	−.606	.085
5.1	.137	13.094	−.951	−1.280	.181
6.1	.134	38.175	−4.560	−3.105	.444
7.1	.133	43.424	−5.301	−3.463	.494
8.1	.133	38.177	−4.547	−3.081	.440
9.1	.133	38.172	−4.546	−3.081	.440
10.1	.133	38.177	−4.546	−3.081	.440
11.1	.133	38.177	−4.546	−3.081	.440

number of primary iterations is shown on the left side of the decimal, and the number of secondary iterations is shown on the right side of the decimal. model stops running after 13 iterations and the optimal solution has been found.