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Jul
17
comment Can I define a function for vectors of arbitrary dimension?
Going by the title, this is a duplicate of How to create functions of arbitrary number of variables?
Jul
17
comment Picking numbers within a list with an interval of 60
@bobbym Does your comment mean that this answer is what you wanted? Then you should accept it. Otherwise you should explain what is missing.
Jul
17
comment Optimization problem with matrix positivity constraints
It always helps if you give some example data and list some Mathematica code that you gave tried.
Jul
16
comment FourierTransform and Partial Derivatives?
I think any kind of assumptions or rules that one could come up with would be much more complex than the simple manual approach I suggested in the answer. One may as well just take the replacement of D[__,y] by - I ky as a definition in itself to get around this limitation of FourierTransform.
Jul
16
comment Computing the fundamental matrix and its monodromy matrix
The question should be expanded to give more details, and to include some Mathematica code you have already tried. Otherwise it's more a math question, the answer to which you can look up in textbooks.
Jul
16
comment Computing the fundamental matrix and its monodromy matrix
@rcollyer Some people see Feynman path integrals everywhere. They may need professional help. But seriously, (a) the answer doesn't really deal with the monodromy matrix, and (b) the answer has no mathematical relation to path integrals.
Jul
16
comment ContourPlot and Colorfunction
+1 You were a little faster than me, it seems...
Jul
16
answered ContourPlot and Colorfunction
Jul
16
comment ContourPlot and Colorfunction
It also works as expected on V8.0.4 on OS X 10.7.5. What platform is your problem arising on?
Jul
15
comment How to make Excel-like data bars?
It always helps if you give some example data and list some Mathematica code that you gave tried.
Jul
15
answered Lowering the degree of an polynomial with an assumption that the polynomial has a factor x^2+ax+b
Jul
15
revised FourierTransform and Partial Derivatives?
Added some math
Jul
15
revised FourierTransform and Partial Derivatives?
Formatted output more clearly
Jul
15
revised FourierTransform and Partial Derivatives?
added 1133 characters in body
Jul
15
answered FourierTransform and Partial Derivatives?
Jul
15
reviewed Approve two histograms ratio
Jul
15
awarded  Enlightened
Jul
15
awarded  Nice Answer
Jul
15
comment Legends in combined Plot and ListPlot
@LeoFang Thanks for pointing this question out to me earlier... even if my solution isn't fully automatic, at least it looks more modern than the old PlotLegends package.
Jul
15
reviewed Close Embedding text on an opaque plane in 3D