Why Figure is not displayed in the latex file and text is shown instead of it

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I am newbie in latex and trying to add figure into the latex file as follows:

\documentclass{bmcart}

%%% Load packages
\usepackage{amsthm,amsmath}

\usepackage[utf8]{inputenc} %unicode support
\usepackage{mathtools}
\usepackage{amsmath}
\usepackage{graphicx}


\def\includegraphic{}
\def\includegraphics{}

\startlocaldefs
\endlocaldefs

\begin{document}
    
\begin{figure}[h!]
    \includegraphics{figures/GBMfigure3.jpg}
    \caption{show the results of the different settings for the parameters of the penalty model for solving the problem \ref{q11}.}
    
\end{figure}

\end{document}

But, the figure is not displayed and the text itself is displayed instead of the figure, for example the resulted file is as below:

enter image description here

So, what's the solution of that issue please.

figure latex
1 Answers

With \def\includegraphics{} you redefine the command to do nothing. If you want it to include your image, don't do such a redefinition.

\documentclass{bmcart}

%%% Load packages
\usepackage{amsthm,amsmath}

\usepackage[utf8]{inputenc} %unicode support
\usepackage{mathtools}
\usepackage{amsmath}
\usepackage{graphicx}


%\def\includegraphic{}
%\def\includegraphics{}

\startlocaldefs
\endlocaldefs

\begin{document}
    
\begin{figure}[h!]
    \includegraphics{example-image-duck}
    \caption{show the results of the different settings for the parameters of the penalty model for solving the problem \ref{q11}.}
    
\end{figure}

\end{document}

enter image description here

user_27770740
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