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Jan
22
awarded  Nice Answer
Jan
17
awarded  Yearling
Dec
22
comment Can Mathematica run of the new 2015 MacBook?
I run it all the time on a Mid-2011 Macbook Air. It evens runs on a Raspberry Pi. The Macbook is a lot faster than my MBA so it'll be OK.
Dec
17
comment Phase space 3D diagram
It would help if you defined what you meant by a "diagram".
Dec
3
awarded  Good Answer
Oct
25
comment Stochastic Schrödinger Equation
Well start small. Do you know how to write the code for n=1? If not, your question is actually about solving SDEs in general.
Oct
9
awarded  Good Answer
Sep
11
awarded  Nice Answer
Sep
1
comment Does Mathematica support Laguerre Polynomials of Matrix Argument?
@belisarius nah I'm on holidays. Why don't you go ahead and do it?
Aug
13
awarded  Good Answer
Jul
7
awarded  Nice Answer
Jun
5
comment NDSolve break condition
@Ian excellent, up voted. Happy to serve as a guinea pig.
May
17
awarded  Good Answer
May
13
awarded  Enlightened
May
13
awarded  Nice Answer
Apr
27
comment Finding adjacency matrix of a Mathematica's in-built graph?
Dodecahedral is a symbol, not a graph. You want this: d = GraphData["DodecahedralGraph"]; AdjacencyMatrix[d], I think.
Apr
8
awarded  Nice Answer
Feb
28
comment How to define a function
something like f[u_[x_]] := x, but defining a function that takes as a second argument the derivative of the first is more involved.
Jan
31
awarded  Nice Answer
Jan
31
comment Does Mathematica support Laguerre Polynomials of Matrix Argument?
So operationally, you can think of MatrixFunction as taking a scalar function as the first arg, finding its series expansion, then using that to turn it into a matrix function and finally applying that to the second arg. If the second arg can eg be diagonalised via an orthogonal transformation, all you'd need to do do the transformation, apply a polynomial to the eigenvals and undo the transformation.