Try to add parentheses *A[(A.>0.5)&(A.<0.9)]* The expressions you posted reads A[ A .> (0.5&A) .< 0.9]
There is an open issue about the high precedence of & Ivar kl. 15:38:08 UTC+2 tirsdag 20. mai 2014 skrev Florian Oswald følgende: > > 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: no method &(Float64, Float64) > in & at array.jl:743 > > how can I get a valid boolean index vector out of two? why does A.>0.5 > return a float and not a bool? >
