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12:32 AM
looks like your kind of question
 
1:07 AM
@ChrisK Thanks. I left a link to one of my old answers in comment.
 
2:01 AM
@MichaelE2 Cool, thanks!
 
f[w_] := w.w
f'[w]
This yields 1.w + w.1. What's the right way to make it yield the correct answer of 2w? I tried using TensorReduce with Assumptions -> w [Element] Vectors[3], for example.
 
 
15 hours later…
4:59 PM
Just noticed that VectorPlot was changed significantly in V12.1, if anyone wants to go hunting for Q&A that might need updating.
 
 
4 hours later…
9:04 PM
We should use tag wiki's more, they seem like a nice way to compile FAQs. I took at stab at "interpolation" at mathematica.stackexchange.com/tags/interpolation/info
3
mostly so I don't have to hunt down all those useful Q&A's again
 

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