Test functions for optimization: Difference between revisions

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Reverted 1 edit by 2601:43:0:4A80:4C54:F5CB:691D:24A4 (talk) to last revision by 37.189.134.231. (Twinkle)
Incorrect value for the minima, (1.0 + 0.2 * cos(8.0 * atan(0.85586214/0.85586214))) = 1.44, the correct scalar value is sqrt(1.44/2) = 0.84852813,
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subjected to: <math> x^2+y^2\le\left[r_{T}+r_{S}\cos\left(n \arctan \frac{x}{y} \right)\right]^2</math>
<math>\text{where: } r_{T}=1, r_{S}=0.2 \text{ and } n = 8</math>
|| <math>f(\pm 0.8558621484852813,\mp 0.8558621484852813) = -0.072625072</math>
|| <math>-1.25\le x,y \le 1.25</math>
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