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Aug
2
awarded  Nice Answer
Jul
31
awarded  Popular Question
Jul
30
awarded  Custodian
Jul
30
reviewed Reject Deleting all characters in a string that do not belong to a small set of elements
Jul
30
reviewed Reject Deleting all characters in a string that do not belong to a small set of elements
Jul
7
reviewed No Action Needed Numerical solution of the hyperbolic equation
Jul
7
suggested rejected edit on BarChart that lines up with dates in DateListPlot
Jul
2
awarded  Curious
May
12
awarded  Nice Answer
Feb
6
reviewed No Action Needed Connecting a vertex to middle of an edge with GraphPlot?
Jan
11
awarded  Yearling
Jan
7
comment Optimization of a portfolio of stocks
I was on vacations and couldn't see your answer before (nice one, btw). However, I'm still wondering why short sales have changed your efficient frontier if borrowing/lending is not allowed. I might be wrong, but as far as I remember there is no difference in the efficient frontier without borrowing/lending.
Dec
24
reviewed No Action Needed How can I simplify $\log(512)$ to $9\log(2)$?
Dec
21
reviewed No Action Needed How to detect if a sequence of integers is consecutive
Dec
18
reviewed No Action Needed First 10 digits of $\pi$ without rounding
Dec
17
reviewed No Action Needed Is it possible to convert expressions containing Root objects to Excel formulas?
Dec
17
reviewed No Action Needed Mapping a function that assigns values to a list over a different list
Dec
17
reviewed No Action Needed dynamically set fit parameters and models with FindFit
Dec
17
reviewed No Action Needed Forcing RecurrenceTable + NIntegrate to evaluate lazily
Dec
17
reviewed No Action Needed Can Mathematica identify formulae or sequences of numbers?