A Class of Parameter Estimation Methods for Nonlinear Muskingum Model Using Hybrid Invasive Weed Optimization Algorithm

Table 1

The characteristics of benchmark functions.

	Domain	Optimum			Domain	Optimum
		−12569.5	30			0	30
		0	30			0	30
		0	30			0	30
		0	30			0	30
		0	30			0	30
		0	30			−1.031629	2
		−99.2784	100			0.398	2
		0	100			3	2
		−78.33236	100			0.000308	4
		0	100			−3.32	6