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Take a matrix A= [[r_1],[r_2],[.],[.],[.],[r_m]] Let the vector x be in the null space...

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hockeyfan54 | Student | (Level 1) Salutatorian

Posted April 18, 2013 at 11:42 AM via web

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Take a matrix

A= [[r_1],[r_2],[.],[.],[.],[r_m]]

Let the vector x be in the null space of A. Show that the vector x is perpendicular to all of the row vectors r_k

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