Question: Algorithm 1: Tensor-CUR Decomposition rank set {rc,rr} Input: tensor X G R + rrxN3 rcxrr 2: 4: 5: 6: 8: 11: Output: tensor C

Algorithm 1: Tensor-CUR Decomposition rank set {rc,rr} Input: tensor X G R + rrxN3 rcxrr 2: 4: 5: 6: 8: 11: Output: tensor C G R + , matrices R G R slices = random. choice(N3, rc) C = X[: , : , slices] fibers = random. choice(N1 * N2, rr) R = : , fibers] NI*N2 W = slices , fibers] Return C, U, and R

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