Question: Problem 1. CP and Tucker decomposition (35 points) a. (15 points) We know that determining the rank of a tensor is NP-hard, but some upper

 Problem 1. CP and Tucker decomposition (35 points) a. (15 points)

Problem 1. CP and Tucker decomposition (35 points) a. (15 points) We know that determining the rank of a tensor is NP-hard, but some upper bounds could be helpful in the CP decomposition. Show the following upper bound on the rank of a tensor X E RIXJXK. rank(X)

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