Initializing help system before first use

SLPETOL_A, XSLP_ETOL_A

Description
Absolute tolerance on penalty vectors
Type
Double
Topic areas
Default value
0.0001
Note
For each penalty error vector, the contribution to its constraint is calculated, together with the total positive and negative contributions to the constraint from other vectors. If its contribution is less than SLPETOL_A or less than Positive*SLPETOL_R or less than abs(Negative)*SLPETOL_R then it will be regarded as insignificant and will not have its penalty increased.

When the value is set to be negative, the value is adjusted automatically by SLP, based on the feasibility target NLPVALIDATIONTARGET_R. Good values for the control usually fall between 1e-3 and 1e-6.

Affects routines
See also
Category
Control

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