A Conjugate Gradient Type Method for the Nonnegative Constraints Optimization Problems

Table 3

Test results for Problem 1 with various dimensions.

Problem	Dim	Algorithm 4		Zoutendijk method
		Iter	Time	Iter	Time
Problem 1	1000	17	0.1400	8	110.2578
	2000	26	16.8604	8	263.2660
	3000	39	39.6561	11	554.0310
	4000	51	68.1729	30	910.1090
	5000	55	110.5660	—	—