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Hi Ted,
I have a question on insert e_extracellular on myelinated axon. If I have two nodes within the myelin, and I want to insert e_extracellular on the nodes that are NOT within the myelin, can I still use "for(x,0)" to insert it, or do I need to calculate the specific positions on the nodes that are NOT within the myelin (exposed nodes) and then use e_extracellular(position) with a for loop?
Thank you so much!

My suggestion is that every segment that has extracellular should have its e_extracellular driven by an appropriate voltage. Whether or not you use for (x,0) to iterate over any section's segments is up to you.