s a collection of functions for likelihood and
equivariant inference for covariance matrices under the array
normal model.  Also included are functions for calculating tensor
decompositions that are related to likelihood inference in the
array normal model.</p>
    </div>


    <div id="introduction">
    <h2>Introduction</h2>
    <p>Let \(X\) be a multidimensional array
    (also called a tensor) of K dimensions. This package provides a
    series of functions to perform statistical inference when
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