`kron` is in the standard library, at least in the first stable version of the language https://docs.julialang.org/en/v1/stdlib/LinearAlgebra/index.html#Base.kr

`kron` is in the standard library, at least in the first stable version of the language https://docs.julialang.org/en/v1/stdlib/LinearAlgebra/index.html#Base.kron https://docs.julialang.org/en/v1/stdlib/LinearAlgebra/index....