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 Apr6 revised How to stop Mathematica from turning .02 into 0.019999999999999997 improved formatting Apr6 suggested approved edit on How to stop Mathematica from turning .02 into 0.019999999999999997 Apr4 comment How to define a distribution that 90% of the time gives me 0? There is an incongruence between title and content of the question? Apr3 comment How to speed up auxilary DoolittleDecomposite function? The OP is aware of this, given he compares the times obtained with the builtin. Apr3 revised How to speed up auxilary DoolittleDecomposite function? corrected some spelling errors Apr3 suggested approved edit on How to speed up auxilary DoolittleDecomposite function? Apr2 awarded Citizen Patrol Apr1 comment Replacing a for-loop with something functional You need Length[data[[All, 1]]] - 1, i.e. the -1 out of the Length call. Apr1 revised Replacing a for-loop with something functional improved formatting Apr1 suggested approved edit on Replacing a for-loop with something functional Apr1 comment Replacing a for-loop with something functional Why the -1 in Length[data[[All, 1]] - 1]? Apr1 revised How to get Mathematica to compile with target C? improved formatting Apr1 suggested approved edit on How to get Mathematica to compile with target C? Apr1 revised Filling between more than two boundaries improved formatting Apr1 suggested approved edit on Filling between more than two boundaries Mar30 revised Plot gives different result than direct evaluation (Plot[f[x]] obtains answer while f[x] fails) improved formatting Mar30 suggested approved edit on Plot gives different result than direct evaluation (Plot[f[x]] obtains answer while f[x] fails) Mar30 comment Problems finding intersection points between line and generic function Your last example is wrong, the vertical line between (-2,-2) and (-2,0) is a plot artifact, given that the function you define has a jump discontinuity in x=2. Mar30 comment Set fontsize using setoptions not working in DateListPlot It works here on MMA8/MacOSX. Also, try setting option for Graphics, instead of DataListPlot. Mar29 comment Creating a matrix under conditions If I understand correctly, ls /@ Permutations[Range[5]] produces only 120 of all latin squares, right? If so, you are lucky that one of those satisfies criteria.