matrices.tex

% !TEX root = ./matrices.tex

\input{tikz_preamble}
\usepgfplotslibrary{colormaps}

\pgfplotsset{
    colormap={shb}{
        rgb255=(255,255,255); 
        rgb255=(255,255,255); 
        rgb255=(255,207,160);
        rgb255=(254,148,76);
        rgb255=(183,66,16)
    },
    colormap name=shb,
}

\begin{document}
\pagestyle{empty}

\begin{tikzpicture}
    \begin{groupplot}[group style={group size=3 by 1,horizontal sep=0.5cm}]
        \nextgroupplot[view={0}{90},
            xlabel=$i$,
            ylabel=$j$,
            title=(a),
            every axis title/.style={below left,at={(0.05,0)},inner sep=0.03in},
            colorbar,
            colormap name=shb,
            colorbar horizontal,
            colorbar style={
                at={(0,1.13)},
                anchor=north west,
                title=$\log_{10} \mathcal{D}_{ij}$,
                title style={
                    at={(0.5,1.5)},
                },
                height=0.3cm, 
                xticklabel pos=upper,
            },
            xmax=49,ymax=49,
            width=0.35\textwidth,
            height=0.35\textwidth,
            y dir=reverse, axis on top,
            xticklabels=\empty,
            yticklabels=\empty,
            ]
            \addplot3[surf] file {../data/Dmat.txt};

        \nextgroupplot[view={0}{90},
            title=(b),
            every axis title/.style={below left,at={(0.05,0)},inner sep=0.03in},
            xlabel=$i$,
            colorbar,
            colormap name=shb,
            colorbar horizontal,
            colorbar style={
                at={(0,1.13)},
                anchor=north west,
                title=$\log_{10} \bar{\mathcal{L}}_{ij}$,
                title style={
                    at={(0.5,1.5)},
                },
                height=0.3cm, 
                xticklabel pos=upper,
            },
            width=0.35\textwidth,
            height=0.35\textwidth,
            y dir=reverse, axis on top,
            xticklabels=\empty,
            yticklabels=\empty,
            ]
            \addplot3[surf] file {../data/Lbarmat.txt};

        \nextgroupplot[view={0}{90},
            title=(c),
            every axis title/.style={below left,at={(0.05,0)},inner sep=0.03in},
            xlabel=$i$,
            colorbar,
            colormap name=shb,
            colorbar horizontal,
            colorbar style={
                at={(0,1.13)},
                anchor=north west,
                title=$\log_{10} \bar{\mathcal{L}}_{ij}^{-1}$,
                title style={
                    at={(0.5,1.5)},
                },
                height=0.3cm, 
                xticklabel pos=upper,
            },
            width=0.35\textwidth,
            height=0.35\textwidth,
            y dir=reverse, axis on top,
            xticklabels=\empty,
            yticklabels=\empty,
            ]
            \addplot3[surf] file {../data/LbarInvmat.txt};
    \end{groupplot}

\end{tikzpicture}

\end{document}