tensorly.cp_tensor
.cp_norm
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cp_norm
(cp_tensor)[source] Returns the l2 norm of a CP tensor
Parameters: - cp_tensortl.CPTensor or (core, factors)
Returns: - l2-normint
Notes
This is ||cp_to_tensor(factors)||^2
You can see this using the fact that khatria-rao(A, B)^T x khatri-rao(A, B) = A^T x A * B^T x B