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Growth model of the reared sea urchin Paracentrotus ... - SciViews

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List <strong>of</strong> equations<br />

Equation 19. Calculation <strong>of</strong> ds, <strong>the</strong> apparent mean density <strong>of</strong> <strong>the</strong> skeleton<br />

<strong>of</strong> a <strong>sea</strong> <strong>urchin</strong> using DWs / IW relationship. Page 101.<br />

Equation 20. Moving average smoothing applied to size-frequency<br />

distributions. Page 117.<br />

Equation 21. Objective function (deviance δ1) <strong>of</strong> <strong>the</strong> quantile regression.<br />

Page 146.<br />

Equation 22. Piece-wise linear function used to calculate <strong>the</strong> deviance δ1<br />

in eq. 21. Page 147.<br />

Equation 23. Definition <strong>of</strong> <strong>the</strong> relative time-scale t'. Page 149.<br />

Equation 24. Function <strong>of</strong> size D with relative time t' for <strong>the</strong> set S in <strong>the</strong><br />

fuzzy <strong>model</strong>. Page 150.<br />

Equation 25. Function <strong>of</strong> size D with relative time t' for <strong>the</strong> set L in <strong>the</strong><br />

fuzzy <strong>model</strong>. Page 151.<br />

Equation 26. Membership function to <strong>the</strong> set L with relative time t'.<br />

Page 151.<br />

Equation 27. Membership function to <strong>the</strong> set S with relative time t'.<br />

Page 151.<br />

Equation 28. Defuzzification <strong>of</strong> <strong>the</strong> fuzzy <strong>model</strong>. Page 152.<br />

Equation 29. Equation <strong>of</strong> <strong>the</strong> defuzzified <strong>model</strong> after simplification.<br />

Page 152.<br />

Equation 30. Definition <strong>of</strong> <strong>the</strong> relative size-scale D'. Page 155.<br />

Equation 31. The new growth <strong>model</strong> with relative size D' and relative<br />

time t'. Page 155.<br />

Equation 32. Parameter l in function <strong>of</strong> τ in <strong>the</strong> envelope <strong>model</strong>.<br />

Page 158.<br />

20

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