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 ... ... @@ -3754,6 +3754,7 @@ clearer idea then we will go with it. \subsection{Inverses} \index{matrix!inverse|(} We finish this section by considering how to represent the inverse of a linear map. ... ... @@ -3850,7 +3851,7 @@ if $$HG$$ is the identity. A matrix $H$ with a two-sided inverse is an \definend{invertible matrix}. That two-sided inverse is \definend{the inverse matrix}\index{inverse} and is denoted $$H^{-1}$$. is denoted $$H^{-1}$$.\index{matrix!inverse, definition} \end{definition} Because of the correspondence between linear maps and matrices, ... ... @@ -5195,7 +5196,7 @@ elementary real number system can be interesting and useful. ($$A$$ is singular if $$k=0$$). \end{answer} \end{exercises} \index{matrix!inverse|)} ... ...
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