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visits member for 2 years, 2 months
seen Mar 10 at 5:13

Jan
30
comment More elegant/efficient solution to browse through an array
sure, just kidding - one can only guess what he wants, at this point
Jan
30
comment More elegant/efficient solution to browse through an array
or ArrayPlot[array, ColorFunction -> "Rainbow"] for the more visual people out there :)
Jan
29
answered Evaluate function from a table
Jan
27
comment Evaluate function from a table
it has no way of knowing that the function is in x. Afaik, you have to either use Composition or else Replace (a.k.a. /.), as shown above. Sorry don't have the time to write full answer.
Jan
27
comment Evaluate function from a table
Not sure I understand (also looking at @bills answer). I try: either explicitly compose like for any "normal function", like ff = #^2 & and then ff[ff[x]] respectively: g=ff[ff[#]]& or use Composition explicitly
Jan
27
revised Evaluate function from a table
added 14 characters in body
Jan
27
comment Evaluate function from a table
try: f[[1]] = #^2 &(you need a pure function for that, see documentation). Also: check out: ConstantArray[0, 4]:) (fwiw: alternatively: f[[1]] /. x -> 2, but I wouldnt recommend that)
Jan
27
reviewed Close Application on systems of equations
Jan
21
answered How to place a matrix under controls (sliders) in a Manipulate?
Jan
21
revised Manipulate and ListPlot
added 18 characters in body
Jan
21
comment How to place a matrix under controls (sliders) in a Manipulate?
not sure if I understand: if you use the following in place of your controls, is that what you want? Column[{Control@{{a, 1, "x-Richtung"}, -3, 3}, Control@{{b, 1, "y-Richtung"}, -3, 3}, Control@{{c, 1, "z-Richtung"}, -3, 3}, Dynamic@Style[{{a, 0, 0}, {0, b, 0}, {0, 0, c}} // MatrixForm, FontSize -> 18, FontColor -> Black, TextAlignment -> Left]}]
Jan
21
comment neighbor swapping distance between two strings
I think EditDistance is a bad choice here, for "EditDistance treats transposition as separate deletion and insertion operations", so: EditDistance["ac", "ca"] yields 2, whereas: "Damerau-Levenshtein distance counts transposition as a single operation" (yields 1)
Jan
20
reviewed Leave Open How do I fill the area from 0 to pi in my Sine wave and in the process get the area value?
Jan
20
reviewed Looks OK Simplifying just parts of an expression
Jan
17
reviewed Approve plotting cumulative distribution function
Jan
16
reviewed Approve truncating terms in symbolic expression basing on their values
Jan
14
answered Dot when used in a pattern becomes Times… Why?
Jan
8
reviewed Approve NDSolve boundary query / Extracting values from solution
Jan
7
reviewed Close Creating a C++ project with Visual Studio 2010
Jan
4
awarded  Yearling