Optimization absolute borders

  • 7 February 2022
  • 1 reply

Hi everyone,


Is there a way to give a radius variable a range of possible values that can never be crossed? As I understand I can give operands CVLT and CVGT to make the range (e.g. for values between 5 and 15 mm I need, as I understand, CVGT with target on 1/15 and CVLT with target on 1/5 if lens units are millimetres) but sometimes they go beyond the range and I don’t really know how to prevent the optimization from doing it.


Thank you for help,



Best answer by Jeff.Wilde 7 February 2022, 01:50

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Userlevel 7
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Try simply increasing the weight values of the operands. 


Or, if necessary, you can use a negative weight that causes the operand to function as a Lagrangian multiplier