documentclass[margin=5mm]{standalone}
        usepackage{tikz}
        usetikzlibrary{matrix,calc}

        begin{document}


        begin{tikzpicture}[every node/.style={anchor=north east,fill=white,minimum width=1.4cm,minimum height=7mm}]
        matrix (mA) [draw,matrix of math nodes]
        {
            i(W,X_1,Y_3)  &  cdots & i(W,X_k,Y_3) \
            i(W_2, X_1,Y_3) &  cdots & i(W_2,X_k,Y_3) \
            vdots          &  ddots & vdots         \
            i(W_j,X_1,Y_3)  &  cdots & i(W_j,X_k,Y_3) \
        };
        matrix (mB) [draw,matrix of math nodes] at ($(mA.south west)+(4.9,1.65)$)
        {
            i(W,X_1,Y_2)  &  cdots & i(W,X_k,Y_2) \
            i(W_2, X_1,Y_2) &  cdots & i(W_2,X_k,Y_2) \
            vdots          &  ddots & vdots         \
            i(W_j,X_1,Y_2)  &  cdots & i(W_j,X_k,Y_2) \
        };
        matrix (mC) [draw,matrix of math nodes] at ($(mB.south west)+(4.9,1.65)$)
        {
            i(W,X_1,Y_1)  &  cdots & i(W,X_k,Y_1) \
            i(W_2, X_1,Y_1) &  cdots & i(W_2,X_k,Y_1) \
            vdots          &  ddots & vdots         \
            i(W_j,X_1,Y_1)  &  cdots & i(W_j,X_k,Y_1) \
        };
        draw[dashed](mA.north east)--(mC.north east);
        draw[dashed](mA.north west)--(mC.north west);
        draw[dashed](mA.south east)--(mC.south east);
        end{tikzpicture}%


        end{document}