oops - i could swear i tried that! sorry. thanks.
On 20 May 2014 14:41, Samuele Carcagno <sam.carca...@gmail.com> wrote: > On 20/05/14 14:38, Florian Oswald wrote: > >> I have an array A that i want to subset, as in >> >> | >> A =rand(100,100) >> A[A.>0.5] >> | >> >> I'm struggling to find the extension of this to more than one rule - i >> would have expected that to work: >> >> | >> A[A.>0.5&A.<0.9] >> ERROR:nomethod &(Float64,Float64) >> | >> in & at array.jl:743 >> > > you can use parentheses > > A[(A.>0.5) & (A.<0.9)] > > > >> how can I get a valid boolean index vector out of two? why does A.>0.5 >> return a float and not a bool? >> > > `A.>0.5` does return a boolean array > > Sam >
