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) 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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