###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q4291851: T-matrix method (Q4291851) : technique for computing light scattering by nonspherical particles : ( delete | history | links | entity usage | logs ) Duplicates Q7667913 ( http://en.wikipedia.org/wiki/T-matrix_method ).
-- 83.220.93.139 18:19, 19 January 2014 (UTC)