Those are standard procedures used in magnetic field modeling. It is out of scope of this document to explain the principles behind those methods. Either you know them and then the use of these modules should be pretty straightforward or you don't. If you do not know and want to learn, I suggest that you start by reading the Blakely textbook. The credit to these modules goes mainly to Maurice Tivey for I used functions from his magnetic toolbox as backbones to write them.
Copyright © <2010>, <Joaquim Luis>
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