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| I can't get the drawing tools to work in my Mathematica (12.0.0.0). I saw some comments about similar problems at stackexchange, but no tips for fixing it. Anyone who knows? Thanks, Robert |
| What would be the most efficient way to count occurences in a list L of elements that return True for a given boolean function f? Something like Length[Select[L,f]] works but I'm not sure if it is efficient. The function Count does the... |
| I'm trying to understand how to calculate the volume of a recursive function containing an integral. To be precise; it is the volume V[n,r] of an n-dimensional sphere with radius r expressed as an integral of the expression for an (n-1)-dimensional... |