Hi, I am trying to understand how to use eachindex with an array. For example, I can do:
julia> A = zeros(Int, (3,2)) 3x2 Array{Int64,2}: 0 0 0 0 0 0 followed by: julia> for iter in eachindex(A) @show iter.I[1], iter.I[2] @show A[iter] end ERROR: type Int64 has no field I [inlined code] from show.jl:127 in anonymous at no file:0 However, using: julia> A = sprand(2, 3, 0.5) 2x3 sparse matrix with 2 Float64 entries: [1, 1] = 0.599423 [2, 2] = 0.340233 julia> for iter in eachindex(A) @show iter.I[1], iter.I[2] @show A[iter] end (iter.I[1],iter.I[2]) = (1,1) A[iter] = 0.5994230074532017 (iter.I[1],iter.I[2]) = (2,1) A[iter] = 0.0 (iter.I[1],iter.I[2]) = (1,2) A[iter] = 0.0 (iter.I[1],iter.I[2]) = (2,2) A[iter] = 0.3402329840051479 (iter.I[1],iter.I[2]) = (1,3) A[iter] = 0.0 (iter.I[1],iter.I[2]) = (2,3) A[iter] = 0.0 works just fine. I'm sure it's something simple, but at this stage would appreciate some help.