# Is support of an operator same as row space?

Support of an operator is vector space that is orthogonal to its kernel.

Does this mean support is same as row space? How to calculate support for any matrix?

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## 1 Answer

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 why is it called support? – asdf Jan 1 '12 at 11:40 @asdf: By analogy with the definition of support for a function on a topological space. – Zhen Lin Jan 1 '12 at 12:17