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comment Differentiation inside pakage
Dif[yy_, xx_] := Module[{cc}, cc = D[yy, xx]; cc]; and then Dif[x[1]^2, x[1]] ?
2h
revised Colors on a 3D curve not working
added 165 characters in body
2h
revised Colors on a 3D curve not working
added 284 characters in body
3h
answered Colors on a 3D curve not working
1d
comment Difficulty using LUDecomposition
Ups, I understood that you meant to use Upper/LowerTriangularize instead of LUDecomposition. Ha!
1d
comment Difficulty using LUDecomposition
@Guesswhoitis. Not in my mindset, but feel free to edit or post another answer if you think there is something meaningful that I'm leaving aside
2d
revised Difficulty using LUDecomposition
added 91 characters in body
2d
answered Difficulty using LUDecomposition
2d
comment Solve slower in versions 9 and 10
A good question! And very nice previous research. +10 if I could.
2d
revised Delete vertices of degree 2 and rewire graph
added 287 characters in body
2d
awarded  Nice Answer
2d
comment How to draw the pentagon or hexagon into the square size image
How is the forehead related to any geometric form? Mark what? Voting to close.
Jul
30
answered Delete vertices of degree 2 and rewire graph
Jul
30
comment Plot is wrong for oscillating function
Try adding PlotPoints -> 100 or the like
Jul
30
comment How to make sense of LowpassFilter, SampleRate and the cutoff frequency ωc in different Mathematica versions?
@rhermans Should we add a Version10 tag then?
Jul
30
comment How to replace element by element in a list?
Map[Transpose, myList, {2}] ??
Jul
30
comment How to make sense of LowpassFilter, SampleRate and the cutoff frequency ωc in different Mathematica versions?
Results from v9 : !Mathematica graphics
Jul
30
comment cumulative probability about the number of variable
@SjoerdC.deVries I was trying to amuse you, not to help you. :D
Jul
30
comment cumulative probability about the number of variable
@SjoerdC.deVries The code comes from here mathematica.stackexchange.com/q/89419/193
Jul
30
comment Substitute a function's definition for its name
Try Evaluate @@ problem[one]