deletions | additions       diff --git a/Theory.tex b/Theory.tex  index 4751f5b..b7ae85c 100644  --- a/Theory.tex  +++ b/Theory.tex 
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\ i,j \in W \ ,  \end{align}  where the 1-norm is considered as a \emph{vector} norm  (\(||A||_1 = \sum_{i,j} \left|A_{ij}\right|\)), and \(W\) is a set of randomly chosen locations in the matrix. matrix elements.  One important requirement for compressed sensing is that the basis