XSLP_DELTA_A, SLPDELTA_A
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Description
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Absolute perturbation of values for calculating numerical derivatives
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Type
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Double
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Topic area
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Default value
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0.001
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Note
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First-order derivatives are calculated by perturbing the value of each variable in turn by a small amount. The amount is determined by the absolute and relative delta factors as follows:
XSLP_DELTA_A + abs(X)*XSLP_DELTA_R where ( X) is the current value of the variable. If the perturbation takes the variable outside a bound, then the perturbation normally made only in the opposite direction. |
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Affects routines
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See also
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Category
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Control
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