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With 4Nec2, I say which wire and segment to use.  I don't have a % of the segments option.  However, if I am using auto segmentation and that happens to change the total segments on said wire, the location of the feed point does not change.




4Nec2 handles taper different to how you enter it in.  It asks for the radius of both sides of the wire, and something it calls L_ratio.  It uses this data to enter a single diameter into the Nec2 engine and get an accurate result.  However, if you use it for one wire you have to use it on all wires.




I wasn't talking about optimizing specifically, although optimizing does involve variables as well.  With the ring on the vector, I was simply talking about how I can manually set and adjust the size of the entire ring with only a variable and some formula's entered into the data part of the model.  If I want the ring to be 19 inches in diameter, I enter 19, if I want the ring to be 22 inches in diameter I enter 22.  If you have ever used Excel, or another spreadsheet, it is essentially the same concept, although applied a bit differently.



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