3.21.3 Can you answer these questions?

3.21.3.1 Unix-like reference to parent and root Association?

http://mathematica.stackexchange.com/questions/131337/unix-like-reference-to-parent-and-root-association

 
Is there a syntax or function to reference parent and root  when querying nested  Associations similar to Unix' ".." and "/", eg "cd ../../mydir". ? 
 
Here's a typical application of the root  ...
 

- asked by alancalvitti 3votes

3.21.3.2 Strange behaviour of FullSimplify when checking an equality of SparseArray's

http://mathematica.stackexchange.com/questions/131400/strange-behaviour-of-fullsimplify-when-checking-an-equality-of-sparsearrays

 
I stumbled upon the following strange behaviour. Disclaimer: I present the simplest instance that I could find in which some behaviour occurs that I first noticed in a different, more complicated  ...
 

- asked by Jules Lamers 1vote

3.21.3.3 ListPlot PlotRange Ignored with all Missing or empty data

http://mathematica.stackexchange.com/questions/131321/listplot-plotrange-ignored-with-all-missing-or-empty-data

 
I have a function that uses ListPlot to draw a custom plot.  When a data value is not applicable I pass in Missing to prevent ListPlot and its Prolog option from displaying the point the function will  ...
 

- asked by Edmund 3votes

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