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{{WikiProject Engineering|class=c|importance=mid}}
{{ConfirmationOTRS|licence=both|source="{{cite book|last1=Hagness|first1=Allen Taflove, Susan C.|title=Computational electrodynamics : the finite-difference time-___domain method|date=2005|publisher=Artech House|___location=Boston|isbn=1580538320|edition=3rd ed.|pages=3-4}}"|id=2012022110009998}}
==Problems with the popularity section==
Where to start... First, it says that FDTD uses no linear algebra, which is nonsensical. Maybe whoever wrote that meant that FDTD avoids matrix inversions. Otherwise, the rest of the list is largely a rehashing of strengths of FDTD that were already listed in the rest of the article. Every single point in that list is a referenced to this one book. Is this section just a recreation of a section in the book? That doesn't seem to fit into the spirit of an encyclopedia. If there aren't any authors discussing FDTD's popularity apart from this one author, then this section isn't a good fit for a general encyclopedia, considering the same information is repeated elsewhere in the article already.[[Special:Contributions/142.244.63.13|142.244.63.13]] ([[User talk:142.244.63.13|talk]]) 19:02, 18 January 2017 (UTC)
==FDTD simulation software packages==
Quite a few software simulation packages exist for the calculation of fields using the FDTD method. Two of these are widely used in research and development of active and passive microwave components: CST and the Vector Fields/CONCERTO package. Most researchers will use only one simulation software package, leading to the effect that the different packages aren't often comprehensively compared to one another.
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