most recent 30 from http://mathoverflow.net 2013-05-20T14:47:26Z http://mathoverflow.net/feeds/question/98965 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/98965/vector-equation Felix Goldberg 2012-06-06T16:05:14Z 2012-06-06T16:05:14Z

<p>Suppose you have an equation of the form $Hx=Ky$, where $x,y$ are vectors of length $n,m$ respectively ($m>n$) and $H,K$ are matrices of orders $n \times n,n \times m$ respectively. Is there some kind of name for it? </p>