Your example A has the type: Vector{Vector{Int64}}, while your actual list type is said to be: Vector{Any}.
Where do we stand?
For the former you can try: heatmap(reduce(hcat,A)), or of its transpose.
Your example A has the type: Vector{Vector{Int64}}, while your actual list type is said to be: Vector{Any}.
Where do we stand?
For the former you can try: heatmap(reduce(hcat,A)), or of its transpose.