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2d
comment Integration over n variables and its expression
also, I guess the OP wrote an and bn instead of a n and b n (or a[n] and b[n]?). Time flies, space matters.
Feb
8
comment How to numerically solve a 1-d time-independent Schrodinger equation?
@Jens OMG, there are Goto[]s in that Arxiv paper's code!!! For a moment I thought I was reading a BASIC program.
Jan
14
comment Interpolation function way off
+1 for the first and last paragraphs alone. (I could not give more than that, though).
Jan
4
awarded  Good Answer
Dec
31
reviewed Edit Eigenvectors choose intuitive ordering/sorting
Dec
31
revised Eigenvectors choose intuitive ordering/sorting
Formatting
Dec
14
reviewed Approve VariationalBound with Lagrangian dependent on multiple functions
Dec
3
reviewed Approve Binary decision diagrams (BDD) syntax error
Nov
29
comment Wiggly and imprecise animated gif output
Could it be due to some anti-aliasing algorithm?
Nov
25
reviewed Approve How to draw normal vector in Mathematica?
Nov
25
reviewed Approve Complex boundary conditions and NDEigensystem
Nov
22
awarded  Nice Answer
Nov
22
comment Is Mathematica worth it for me?
@OleksandrR. I see your point. The ancient Romans used to train with weapons much heavier than those used in battle. My advice is: avoid MMA as long as possible during training (when learning), but when in battle (when applying what you learned - more so when working) take the most advantage you can from that powerful tool. From 13 to 18-21 I believe one should stress the brain the most one can. After that, it's too late to learn certain tricks (but luckily one can still rely on MMA! :-) )
Nov
22
revised Is Mathematica worth it for me?
Syntax, Semantics, Overall meaning.
Nov
22
comment Is Mathematica worth it for me?
As a non-native speaker, I must have underestimated the meaning of "bashing" ("to break one's head on a problem" is what I had in mind). Perhaps a simple "banging" is better suited when communicating with a 13 yr old. :-). I like to think at ideas as tetris pieces: at some point in the study of a subject one ends up with a messed-up configuration where there seems to be no hope. But with a bit of figurative banging against a wall, the pieces can manage to arrange themselves in the perfect configuration. That's what I call satori. (Kid, please do not smash your head physically against a wall!)
Nov
21
answered Is Mathematica worth it for me?
Nov
10
awarded  Good Question
Nov
9
reviewed Approve discrete Fourier transform
Oct
26
comment How to transform data in character form into a sensible form?
Have you tried something along the lines of ReadList["filename", Number, WordSeparators -> {" "}, RecordLists -> True, RecordSeparators -> {"\n"}] on the file "filename" whose content is StringJoin[lst]? ReadList can manage multiple trailing spaces and Fortran-like E notation.
Oct
26
awarded  Civic Duty