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hcat

hcat(A...)

Concatenate along dimension 2

Examples

julia> A = [1 2 3; 4 5 6];
julia> B = [7 8; 9 10];
julia> C = [11; 12];
julia> hcat(A, B, C)
2×6 Array{Int64,2}:
 1  2  3  7   8  11
 4  5  6  9  10  12

This example demonstrates the use of hcat to concatenate arrays A, B, and C along dimension 2. The resulting array has 2 rows and 6 columns.

Common mistake example:

julia> A = [1 2 3; 4 5 6];
julia> B = [7 8; 9 10];
julia> C = [11; 12];
julia> hcat(A, B, C, [13 14])
ERROR: DimensionMismatch("arrays could not be broadcast to a common size")

In this example, an error occurs because the dimensions of the arrays being concatenated are not compatible. It's essential to ensure that the arrays being concatenated have compatible dimensions along the concatenation dimension.

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