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Dec
20
comment Elegantly split a matrix into positive and negative parts?
Also, Abs[-m] is the same as Abs[m].
Dec
20
accepted How to add a common color legend to a grid of density plots?
Dec
20
comment Question about number theory
What's n? It should be p, right?
Dec
20
comment Question about number theory
999 is not a prime
Dec
20
revised Question about number theory
added homework tag
Dec
20
comment Question about number theory
@user116988 In that case, you should use the homework tag.
Dec
20
suggested suggested edit on Question about number theory
Dec
19
comment Elegantly split a matrix into positive and negative parts?
+1... Are you using With[{u = UnitStep}, ...] just to save characters? You're not helping the OP :(
Dec
19
revised Elegantly split a matrix into positive and negative parts?
fixed code
Dec
19
revised Elegantly split a matrix into positive and negative parts?
fixed code
Dec
19
comment Elegantly split a matrix into positive and negative parts?
+1 Instead of Sqrt[m^2], you can also use Abs[m].
Dec
19
suggested suggested edit on Elegantly split a matrix into positive and negative parts?
Dec
19
comment Elegantly split a matrix into positive and negative parts?
+1 Instead of Boole[Positive[mat]], you can also use UnitStep[mat], and instead of Boole[Negative[mat]], you can also use UnitStep[-mat]... No big improvement, just one function instead of two :)
Dec
19
suggested suggested edit on Elegantly split a matrix into positive and negative parts?
Dec
19
asked Elegantly split a matrix into positive and negative parts?
Dec
18
revised Connecting to a remote linux kernel from Windows 7: SSH error code = 104
added 55 characters in body
Dec
18
asked Connecting to a remote linux kernel from Windows 7: SSH error code = 104
Dec
12
comment NIntegrate with an arbitrary number of variables
@andre that works too. Thanks
Dec
12
comment NIntegrate with an arbitrary number of variables
@IstvánZachar yes!! Thanks
Dec
12
asked NIntegrate with an arbitrary number of variables