Question: How to create 2d Gaussian random field?

Of course, with Maple. This object is described in Wiki.
Its plot looks like



Also the 2d Gaussian free field is of great interest. As far as I understand it, a one-dimensional Gaussian random field is formed by the
Finance[GaussMarkovProcess] command of Maple.

PS. The googling brings, in particular, http://mathematica.stackexchange.com/questions/4829/efficiently-generating-n-d-gaussian-random-fields.

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