Skip to main content

Table 1 Comparison between adaptive trust region methods and a new method.

From: A new nonmonotone adaptive trust region line search method for unconstrained optimization

Problem

n

\(n_{f}\)/\(n_{i}\)

SNTR

\(\Delta_{0} = 0.1\)

SNTR

\(\Delta_{0} = 10\)

SNTR

\(\Delta_{0} = 100\)

ATRG

ATRN

NLS

Ext. Rose

4

690/353

475/243

364/185

168/88

94/65

70/57

Ext. Beale

4

504/254

27/14

29/15

41/21

27/14

19/18

Penalty i

2

129/67

38/21

34/19

33/18

47/26

29/19

Pert. Quad

6

151/80

33/17

31/16

41/21

31/16

29/1

Raydan 1

10

1445/762

40/21

40/21

40/21

40/21

22/15

Raydan 2

4

251/128

14/8

14/8

13/8

13/8

11/6

Diagonal 1

4

112/58

21/11

21/11

21/11

21/11

13/12

Diagonal 2

2

289/147

18/10

18/10

16/9

16/9

19/10

Diagonal 3

10

128/66

33/17

33/17

43/22

33/17

28/15

Hager

10

134/69

29/15

29/15

27/14

27/14

31/16

Gen. Trid 1

20

1234/618

49/25

45/23

50/26

51/26

37/23

Ext. Trid 1

20

65/35

16/9

33/17

16/9

16/9

24/16

Ext. TET

50

195/103

17/9

17/9

16/9

17/9

17/9

Diadonal 4

50

798/429

29/15

19/10

7/4

7/4

6/5

Ext. Him

50

134/69

20/11

25/13

58/44

28/15

18/10

Gen. White

50

666/363

271/151

719/384

382/200

312/186

243/142

Ext. Powell

4

892/455

654/329

–

264/133

237/125

157/98

Full. He. FH3

10

106/55

13/7

11/6

13/7

13/7

8/7

Ext. BD1

100

278/143

33/19

31/17

41/23

268/151

26/19

Pert. Quad

200

290/165

141/72

104/53

188/96

99/51

41/38

Ext. Hie

16

1821/1000

–

–

240/143

198/137

119/60

Quad. QF1

4

683/377

17/9

17/9

17/9

15/8

11/10

FLET34

50

24/13

167/101

225/127

183/110

168/98

210/108

ARWHEAD

200

172/91

44/25

56/30

55/42

21/14

24/13

NONDIA

200

75/38

102/52

71/36

116/61

63/32

63/32

DQDRTIC

200

363/191

50/27

54/29

43/23

36/25

27/23

EG2

10

458/234

25/14

25/14

24/14

24/14

14/14

Bro. Trid.

200

2797/1504

1609/827

356/187

404/216

268/176

258/133

A. Per. Quad

16

253/133

43/22

45/23

61/34

41/31

43/32

Pert. Trid

20

252/135

59/30

57/29

79/47

57/42

56/43

LIARWHD

50

114/60

–

295,148

257/176

255/167

249/132

Ext. DENSCH

100

71/37

34/18

51/26

239/154

50/26

239/154

HIMMELH

4

58/31

91/61

90/56

19/18

75/41

17/16

ENGVAL1

10

165/90

71/38

71/37

65/35

63/34

50/36

EDENSCH

100

1265/633

27/15

3073/1583

21/12

23/13

35/18