julia> F
5932868x1 Array{Float64,2}:
0.00168482
-0.00408837
-0.00408837
-0.109945
-0.00408837
-0.00408837
-0.00408837
-0.148809
-0.00782675
-0.00408837
?
-0.00408837
-0.00408837
0.498521
-0.00297856
-0.0859596
-0.0760184
-0.0706045
0.420753
0.299376
0.00371405julia> p=sortperm(vec(F),rev=true) ERROR: stack overflow
