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Text File | 1995-12-21 | 1.7 KB | 70 lines | [TEXT/CWIE] |
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- Verify HJMIN multidimensional minimizer
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- Rosenbroke function
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- f = 100*(x2-x1^2)^2 + (1-x1)^2
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- Initial guess b0 = -1.2 1
- Function value at it f0 = 24.2
- Initial steps h0 = 10 10
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- Minimum f value found f = 6.97611e-11
- at b = 1 1
- Final steps h = 1e-15 1e-15
- Exact min location bm = 1 1
- No. of iterations ni = 270
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- Bocks function
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- f = [ exp(-1/10) - exp(-x1/10) + exp(-10/10) -exp(-x2/10) ]^2
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- Initial guess b0 = 0 0
- Function value at it f0 = 0.528941
- Initial steps h0 = 10
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- Minimum f value found f = 0
- at b = 10 1
- Exact min location bm = 10 1
- No. of iterations ni = 89
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- Mile & Cuntrell function
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- f = [ exp(x1)-x2 ]^4 +100(x2-x3)^6 + atan(x3-x4)^4 + x1^8
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- Initial guess b0 = 1 2 2 2
- Function value at it f0 = 1.26618
- Initial steps h0 = 10
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- Minimum f value found f = 4.1179e-27
- at b = 1.49e-08 1 1 1
- Exact min location bm = 0 1 1 1
- No. of iterations ni = 227
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- Powell function
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- f = (x1+10*x2)^2 + 5(x3-x4)^2 + (x2-2x3)^4 + 10(x1-x4)^4
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- Initial guess b0 = 3 -1 0 1
- Function value at it f0 = 215
- Initial steps h0 = 10 10 10 10
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- Minimum f value found f = 0
- at b = 0 0 0 0
- Exact min location bm = 0 0 0 0
- No. of iterations ni = 154
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