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Evolution and Optimum Seeking

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Numerical Comparison of Strategies 223<br />

Table 6.10 continued : POWE - Powell’s method of conjugate directions<br />

time<br />

OFC<br />

lin. search<br />

iterations<br />

case<br />

time<br />

OFC<br />

lin. search<br />

iterations<br />

case<br />

time<br />

OFC<br />

lin. search<br />

iterations<br />

case<br />

time<br />

OFC<br />

lin. search<br />

iterations<br />

case<br />

time<br />

OFC<br />

lin. search<br />

iterations<br />

case<br />

Probl.<br />

n = 135 (max)<br />

n = 100<br />

n = 30<br />

n = 10<br />

n = 3<br />

8.60<br />

407<br />

135<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

-<br />

1<br />

2<br />

1<br />

3<br />

3.72<br />

202<br />

100<br />

1<br />

2<br />

2<br />

1<br />

1<br />

1<br />

3<br />

1<br />

2<br />

1<br />

3<br />

0.60<br />

92<br />

30<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

2<br />

1<br />

3<br />

0.12<br />

32<br />

10<br />

1<br />

2<br />

3<br />

9<br />

2<br />

1<br />

1<br />

1<br />

1<br />

1<br />

2<br />

1<br />

3<br />

0.02<br />

11<br />

3<br />

7<br />

11<br />

7<br />

3<br />

3<br />

3<br />

13<br />

1<br />

2<br />

3<br />

2<br />

1<br />

1<br />

1<br />

4<br />

1<br />

1<br />

1<br />

1<br />

1<br />

2<br />

1<br />

1<br />

1.1<br />

15.50<br />

15.50<br />

541<br />

541<br />

135<br />

135<br />

15.10<br />

15.00<br />

701<br />

701<br />

200<br />

200<br />

304 2.50<br />

288 2.32<br />

1963 1100.00<br />

152 0.94<br />

91<br />

91<br />

3<br />

3<br />

23<br />

1<br />

0.36<br />

0.46<br />

21<br />

32<br />

0.08<br />

0.12<br />

32<br />

38<br />

3.1<br />

3.2<br />

16.20<br />

811<br />

135<br />

1<br />

7.82<br />

502<br />

100<br />

1<br />

700<br />

30<br />

16.90<br />

0.44<br />

84<br />

112<br />

257<br />

128<br />

96<br />

20<br />

19.00<br />

811<br />

135<br />

1<br />

8.74<br />

502<br />

100<br />

1<br />

1.14<br />

152<br />

30<br />

1<br />

0.48<br />

128<br />

20<br />

2<br />

0.18<br />

0.06<br />

0.14<br />

0.06<br />

0.46<br />

23<br />

20<br />

55<br />

20<br />

166<br />

3.3<br />

3.4<br />

3.5<br />

3.6<br />

3.7<br />

DFPS - Stewart’s modification of the Davidon-Fletcher-Powell method<br />

time<br />

OFC<br />

iterations<br />

case<br />

time<br />

OFC<br />

iterations<br />

case<br />

time<br />

OFC<br />

iterations<br />

case<br />

time<br />

OFC<br />

iterations<br />

case<br />

time<br />

OFC<br />

iterations<br />

case<br />

Probl.<br />

n = 180 (max)<br />

n = 100<br />

n = 30<br />

n = 10<br />

n = 3<br />

9.56<br />

364<br />

3.19<br />

204<br />

0.32<br />

64<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

2<br />

1<br />

2<br />

0.06<br />

24<br />

1<br />

3<br />

4<br />

4<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

2<br />

1<br />

1<br />

0.02<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

2<br />

1<br />

1<br />

1.1<br />

84.40<br />

1274<br />

22.00<br />

1<br />

5<br />

5<br />

1<br />

1<br />

1<br />

-<br />

1<br />

2<br />

1<br />

2<br />

1.82<br />

4<br />

4<br />

45<br />

1<br />

0.20<br />

0.06<br />

3<br />

4<br />

2<br />

3.1<br />

84.20<br />

1274<br />

1<br />

6<br />

6<br />

23.10<br />

612<br />

612<br />

10.20<br />

364<br />

1<br />

1<br />

1<br />

1<br />

-<br />

1<br />

2<br />

1<br />

2<br />

3.34<br />

204<br />

1<br />

1.78<br />

932.00<br />

0.34<br />

160<br />

160<br />

1640<br />

64<br />

0.30<br />

3.96<br />

0.06<br />

48<br />

65<br />

61<br />

24<br />

0.06<br />

0.12<br />

0.02<br />

0.02<br />

0.02<br />

0.26<br />

10<br />

20<br />

25<br />

15<br />

10<br />

11<br />

10<br />

101<br />

1<br />

1<br />

11.80<br />

364<br />

1<br />

3.92<br />

204<br />

1<br />

0.40<br />

7.84<br />

64<br />

1<br />

0.08<br />

1.42<br />

24<br />

780<br />

15<br />

307<br />

1<br />

16<br />

1<br />

15<br />

3.2<br />

3.3<br />

3.4<br />

3.5<br />

3.6<br />

3.7

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