Questions tagged [indexing]

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Sum index in function collides with input variable

When I enter the following: Clear["Global`*"] Func[f_, xx_] := Sum[D[f, xx[[s]]], {s, 1, 2}] Func[x^2 + y^2, {x, y}] Func[x^2 + s^2, {x, s}] The first function ...
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How to search within notebooks on Windows 10?

I have a lot of notebooks scattered in my downloads, documents and desktop folder. I have all the required locations on Windows indexing options but if I look at Advanced Options and File Types and nb ...