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Jul
10
awarded  Popular Question
Jul
2
awarded  Curious
Jun
7
awarded  Nice Question
Jan
28
awarded  Yearling
Jun
13
awarded  Nice Question
Jan
28
awarded  Yearling
Oct
25
comment Can mathematica simplify an expression setting simplified answer equal to zero?
Perhaps this is what you are looking for? Is is possible to have mathematica move all terms to one side of an equation?
Oct
24
answered Local max/min of Mathematica data sets
Oct
6
comment Factorisation diagrams
This reminds me of Richard Schwartz's book You Can Count on Monsters.
Sep
29
awarded  Nice Answer
Sep
17
comment Image of input and output cells is not exported correctly
@halirutan On my machine, the drop-down menu works as expected.
Sep
12
awarded  Caucus
Aug
19
comment Plot Log scale on X-Axis?
Is LogLinearPlot what you are looking for?
Aug
19
comment Determining all possible traversals of a tree
@Andrew We can also replace the first definition of f by f[tree_List] := List@@@Flatten@Apply[lst, f[{}, tree], {-2}];. Now f will work for {423,{53,66,424}} as well as {423, {{53, {39, {66, {67, 81, 423}}, 423}}, {66, {67, 81, 423}}, {424, {25, 40, 423}}}}.
Jul
3
comment Convert head Times to List
I am just wondering if you have a rule of thumb to recognize when to use Hold as opposed to Unevaluated.
Jul
3
comment Convert head Times to List
Generally. I know that Unevaluated dissolves after we pass it through a function, but are there other considerations to keep in mind?
Jul
3
comment Convert head Times to List
When should we use Unevaluated as opposed to Hold?
Jul
3
revised Convert head Times to List
added 212 characters in body
Jul
3
answered Convert head Times to List
Jun
28
comment Mathematica for Computer Scientists
Gray's "Mastering Mathematica" has a nice chapter on rule-based programming followed by a discussion of substitution and Lambda calculus, so you may want to check that out.