Surprises me. Julia can usually stay much closer to mathematical notation than, say, Python or C++.

You can even use nice Unicode notation such as A ⊗ B ⊗ C.

So, `kron` is actually provided by the standard library [1], are you saying that this kronecker product didn't do the job?

[1] search in this file: https://github.com/JuliaLang/julia/blob/master/stdlib/Linear...