deletions | additions       diff --git a/subsection_isNear_m_begin_lstlisting__.tex b/subsection_isNear_m_begin_lstlisting__.tex  new file mode 100644  index 0000000..fb759ff  --- /dev/null  +++ b/subsection_isNear_m_begin_lstlisting__.tex 
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\subsection{isNear.m}  \begin{lstlisting}[language=matlab]  function isit = isNear(r, map)  nn = zeros(1, 4);  size = length(map(1, :));    if r(1) ~= size  nn(1) = map(r(1) + 1, r(2));  end  if r(1) ~= 1  nn(2) = map(r(1) - 1, r(2));  end  if r(2) ~= size  nn(3) = map(r(1), r(2) + 1);  end  if r(2) ~= 1  nn(4) = map(r(1), r(2) - 1);  end    isit = (sum(nn) ~= 0);  end  \end{lstlisting}