\relax 
\providecommand\tcolorbox@label[2]{}
\@writefile{toc}{\contentsline {section}{\numberline {1}Lists and arrays}{2}}
\@writefile{toc}{\contentsline {section}{\numberline {2} Row and column vectors}{3}}
\@writefile{toc}{\contentsline {section}{\numberline {3}One array or vector}{3}}
\@writefile{toc}{\contentsline {section}{\numberline {4}The case of two vectors}{5}}
\@writefile{toc}{\contentsline {section}{\numberline {5}The projection of one vector on another}{6}}
\@writefile{toc}{\contentsline {section}{\numberline {6}A matrix is a two dimensional array}{7}}
\@writefile{toc}{\contentsline {section}{\numberline {7}Matrix norm}{8}}
\@writefile{toc}{\contentsline {section}{\numberline {8}$A*x=y:$ A matrix can multiply a vector}{8}}
\@writefile{toc}{\contentsline {section}{\numberline {9}Solving $A*x=y$ for $x$}{9}}
\@writefile{toc}{\contentsline {section}{\numberline {10} Matrix and vector norms estimate the size of $A*x$}{9}}