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  • 0 posts edited
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  • 33 votes cast
Nov
29
comment Concise alternative to First@First@Position[…, 1,Heads->False]
Actually find always returns a matrix -- Matlab "atoms" are simply 1x1 matrices. But I understand your point and respect your differing opinion.
Nov
28
comment Concise alternative to First@First@Position[…, 1,Heads->False]
Great point, though the readability's not quite as good as Matlab
Nov
28
comment Concise alternative to First@First@Position[…, 1,Heads->False]
(+1) Nice attempt at duplicating Matlab's logic. I appreciate the profiling stats.
Nov
28
comment Concise alternative to First@First@Position[…, 1,Heads->False]
(+1) Probably the most idiomatic way in Mathematica, but I prefer Matlab's syntax
Nov
28
comment Concise alternative to First@First@Position[…, 1,Heads->False]
(+1) Short and fast, though doesn't generalize as nicely as the matlab syntax, e.g. find(lst == 7)
Nov
14
comment Non-algebraic equation in the set of complex numbers
This discussion on Reduce vs Solve may be helpful
Nov
14
comment Non-algebraic equation in the set of complex numbers
Why isn't this equivalent to the code in the question? I can't find anything in the documentation to imply otherwise.
Apr
21
comment How can I represent this automorphism of Q(i,a)?
The smallest field containing the rationals, i, and a. We can think of an element of $\mathbb{Q}(i,a)$ as a complex polynomial in a.
Apr
21
comment How can I represent this automorphism of Q(i,a)?
Thanks, I see now. How can I represent my automorphism f?
Nov
28
comment Treat all variables as local in a module
@Nasser I have edited the sentence you quoted to use the more precise term "definition". This is true of most languages, including C, C++, and Java. Does your objection still apply?
May
2
comment Creating a stacked RectangleChart
Great, that seems to work! Strange that the docs don't mention it (reference.wolfram.com/mathematica/ref/RectangleChart.html says 'Possible settings for ChartLayout include "Grouped" and "Stepped"').