Assertion: matrix's row | /r/HasProperty | linear combination of r 1
Facets:
Source sentences:
text: there exist an m × k {\displaystyle m\times k} C and a k × n {\displaystyle k\times n} R such that A = C R {\displaystyle A=CR} k is the rank, this is a rank factorization of A), there exist k rows r 1 , … , r k {\displaystyle r_{1},\ldots ,r_{k}} n such that every row of A is a linear combination of r 1 , … ,