numpy_arrays.tex

\documentclass[convert={density=300,size=1200x800,outext=.png}]{standalone}

\usepackage{tikz}
\usetikzlibrary{quotes,arrows.meta}
\usepackage{adjustbox}

\tikzstyle{annot}=[font=\fontsize{17}{0}\selectfont, text centered]

\tikzstyle{captionLabel}=[annot,font=\fontsize{20}{20}\selectfont,thick,text width=200]

\newcommand{\threeDimMatrix}[5]{% width, height, depth, scale, caption
  \begin{tikzpicture}[scale=#4, line width=0.15em]
    \foreach \x in {0,...,#1}{
      % vertical 2d
      \draw (\x ,0  ,#3 ) coordinate (a-\x) -- (\x ,#2 ,#3 );

      % vertical 3d
      \draw (\x ,#2 ,#3 ) coordinate (b-\x) -- (\x ,#2 ,0  );
    }

    \foreach \x in {0,...,#2}{
      % horizontal bottom 3d
      \draw (#1 ,\x ,#3 ) coordinate (c-\x) -- (#1 ,\x ,0  );

      % horizontal bottom
      \draw (0  ,\x ,#3 ) coordinate (d-\x) -- (#1 ,\x ,#3 );
    }

    \foreach \x in {0,...,#3}{
      %vertical end line
      \draw (#1 ,0  ,\x ) coordinate (e-\x) -- (#1 ,#2 ,\x );

      % horizontal top
      \draw (0  ,#2 ,\x ) coordinate (f-\x) -- (#1 ,#2 ,\x );
    }

    \ifnum1<0#2
      \path[every edge/.append style={|-|}] ([yshift=-10]a-0) coordinate(x) edge [annot,"axis 1"'] ([yshift=-10]a-#1);
      \path[every edge/.append style={|-|}] ([xshift=-10]d-0) coordinate(y) edge [annot,"axis 0"] ([xshift=-10]d-#2);
    \fi

    \def\xshiftValue{10}
    \def\yshiftValue{-10}
    \ifnum0<0#3
      \path[every edge/.append style={|-|}] ([xshift=\xshiftValue,yshift=\yshiftValue] e-0) coordinate(z) edge [annot,"axis 2"] ([xshift=\xshiftValue,yshift=\yshiftValue]e-#3);
      \node[captionLabel] at (1.5, -2.5) {\bfseries #5};
    \else
    \node[captionLabel] at (2.5, -1.5) {\bfseries #5};
    \fi

  \end{tikzpicture}
}

\newcommand{\twoDimMatrix}[4]{
  \threeDimMatrix{#1}{#2}{0}{#3}{#4}
}

\newcommand{\oneDimMatrix}[3]{
  \threeDimMatrix{#1}{1}{0}{#2}{#3}
}

\begin{document}

%\fbox{
\begin{tikzpicture}[line width=0.15em,scale=1.5]
  \draw (0, -1) grid (-5, 0);
  \node[captionLabel] at (-2.5, -2.5) {\bfseries 1D array};
\end{tikzpicture}
%}
%\oneDimMatrix{5}{1.5}{1D array}

%\fbox{
\begin{adjustbox}{margin=2em}
\twoDimMatrix{5}{4}{1.5}{2D array}
\end{adjustbox}
%}

%\fbox{
\threeDimMatrix{5}{4}{3}{1.5}{3D array}
%}
%\begin{tikzpicture}[line width=0.15em,scale=1.5]
%$  \draw (0, 0) grid (-5, 4);
%  \draw[yslant=0.25] (0,0) grid (3, 4);
%  \draw[yslant=0,xslant=0.5] (-7, 4) grid (-2, 7);
%\end{tikzpicture}
\end{document}