figure-tensor-sample.tex

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\newcounter{mycount1}
\newcounter{mycount2}
\newcounter{mycount3}
\newcounter{mycount4}

\begin{tikzpicture}
\begin{scope}[yshift=6.5em,xshift=1em]
\setcounter{mycount1}{1}
\draw[step=0.5cm,color=orange!70,line width=0.4mm] (-2,-2) grid (1,1);
\foreach \y in {+0.5,-0.5,-1.5}
  \foreach \x in {-1.5,-0.5,0.5}{
    \node [fill=orange!15,inner sep=0pt,minimum height=0.98cm,minimum width=0.98cm] at (\x,\y) {\number\value{mycount1}};
    \addtocounter{mycount1}{1};
  }
\end{scope}

\begin{scope}[yshift=5em,xshift=-0.5em]
\setcounter{mycount2}{2}
\draw[step=0.5cm,color=blue!70,line width=0.4mm] (-2,-2) grid (1,1);
\foreach \y in {+0.5,-0.5,-1.5}
  \foreach \x in {-1.5,-0.5,0.5}{
    \node [fill=blue!15,inner sep=0pt,minimum height=0.98cm,minimum width=0.98cm] at (\x,\y) {\number\value{mycount2}};
    \addtocounter{mycount2}{1};
  }
\end{scope}

\begin{scope}[yshift=3.5em,xshift=-2em]
\setcounter{mycount3}{3}
\draw[step=0.5cm,color=ugreen!70,line width=0.4mm] (-2,-2) grid (1,1);
\foreach \y in {+0.5,-0.5,-1.5}
  \foreach \x in {-1.5,-0.5,0.5}{
    \node [fill=ugreen!15,inner sep=0pt,minimum height=0.98cm,minimum width=0.98cm] at (\x,\y) {\number\value{mycount3}};
    \addtocounter{mycount3}{1};
  }
\end{scope}

\begin{scope}[yshift=2em,xshift=-3.5em]
\setcounter{mycount4}{4}
\draw[step=0.5cm,color=red!70,line width=0.4mm] (-2,-2) grid (1,1);
\foreach \y in {+0.5,-0.5,-1.5}
  \foreach \x in {-1.5,-0.5,0.5}{
    \node [fill=red!15,inner sep=0pt,minimum height=0.98cm,minimum width=0.98cm] at (\x,\y) {\number\value{mycount4}};
    \addtocounter{mycount4}{1};
  }
\end{scope}
\end{tikzpicture}
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