I am t开发者_如何学Pythonrying to gain a deeper understanding of how Mathematica expressions are represented internally, and am puzzled by the logic of the Level command in Mathematica.If we have the
My simple first Palette is suppose to: Append my packages Path to $Path ActionMenu[\"test\",{\"The Simple Packages Path\":> AppendTo[$Path,开发者_如何学运维 ToFileName[{NotebookDirectory[], \"0
The problem: I am trying to solve this diffrential equation: K[x_, x1_] := 1; NDSolve[{A\'\'[x] == Integrate[K[x, x1] A[x1], {x1, 0, 1}],
How do I use Mathematica\'s Gather/Collect/Transpose functions to convert: { { {1, foo1}, {2, foo2}, {3, foo3} }, { {1, bar1}, {2, bar2}, {3, bar3} } }
The following code is a naive way to find the least number whose square has n divisors (the minimum should be its log and the x_i the powers in its prime factorization). If I look at the case n=2000 a
table = {{ID1, SQLDateTime[{1978, 1, 10, 0, 0, 0.`}]}, {ID2, SQLDateTime[{1999, 1, 10, 0, 0, 0.`}]},
Is there a simple way to get this to work? text = \"\"; DialogInput[{TextCell[\"Try to type a text with linebreaks :-)\"],
If I understood the Mathematica documentation correct ( haven\'t found examples either ) Graphics3D does not produce shadows of 3D objects, alt开发者_C百科hough Graphics3D has a Lighting-> option.
I have this many hundreds of cell long Mathematica file and I want to use parallel evaluation. I have a 2 processor x 4 core each machine with 16 Gb memory.My Mathematica license allows me to run at m
For exa开发者_C百科mple, TableA: ID1ID2 123abc 123def 123ghi 123jkl 123mno 456abc 456jkl I want to do a string search for 123 and return all corresponding values.