Make Multivariate predictions (input & output) for spatial systems possible

[JonasIsensee]

This can probably be done by implementing an MultivariateSpatioTemporalEmbedding <: AbstractSpatialEmbedding.
Existing functions such as reconstruct may need to relax type restrictions for dispatch
typeof(mv_s) == Vector{Vector{Array, T,Φ}}

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[Datseris]

is this just a convenience for not calling reconstruct and timeseriesprediction multiple times, or is there anything actually new here?

Do you suggest to be able to use multiple spatiotemporal fields to predict some other single field?

[JonasIsensee]

The latter is correct.
Use case: Ulrich wants me to predict electrical exitation from a displacement field.
So (δx, δy, δz) → u
The displacement field is a vector field and could be interpreted as multiple scalar fields.