What wrong in cat ? Two simillar Arrays ! julia> pole0 3×2 Array{Any,2}: “a” undef undef undef undef undef julia> poleL 3×2 Array{Any,2}: “M999” “Tak” undef “Nie” undef undef julia> hcat(pole0,poleL) 3×4 Array{Any,2}: “a” undef “M999” “Tak” undef undef un…

What wrong in cat ? Two simillar Arrays! ERROR: UndefRefError: access to undefined reference

kevbonham April 8, 2019, 1:45am 7

Just FYI, you should use backticks (``) rather than > to quote your code. See here

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