Need for a review of my GP tutorial

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Hi @essicolo, thank you for sharing.

This is a very nice example of the intrinsic model of coregionalization (ICM) using Pymc.

In the model, I am not sure if * is a Kronecker product (⊗) ?

    ## Combined covariance
    cov_f = coreg * cov_feature # (B * K) or (B⊗K)?

There is a pymc.math.kron_dot function in pymc, but I am not sure it will work for this case.