Subsecciones relacionadas con secciones

Subsecciones relacionadas con secciones

Me gustaría saber si es posible mejorar el estilo de la subsección de mi documento. Como puede ver, quiero tener hasta cuatro subsecciones en el capítulo "Métodos". Por ejemplo, el documento muestra “II. Selección de activos” cuando lo ideal sería “I.II. Selección de activos” (porque pertenece a un capítulo en particular). es posible?

Aquí está mi código:

\AtBeginDocument{\flushbottom}
\documentclass[10pt,a4paper,twocolumn]{scrartcl}
\bibliographystyle{nature}      
\setlength{\columnsep}{30pt}
\usepackage{geometry}
\geometry{a4paper,left=25mm,right=25mm, top=25mm, bottom=25mm, headsep=10mm} 
\setlength{\parskip}{\the\baselineskip plus 2pt minus 1pt}
\setlength{\parindent}{0pt}
\usepackage[T1]{fontenc}
\usepackage[latin1,utf8]{inputenc}
\usepackage{lmodern}
\usepackage[ngerman,english]{babel} 
\usepackage[english,ngerman]{babel}     
\usepackage[tracking=true]{microtype}                   
\usepackage{dsfont}
\usepackage{hyperref}
\usepackage{accents}
\usepackage{textcomp}
\usepackage{url}

%----------------------------------------------------------------------------------------
%   HEADER
%----------------------------------------------------------------------------------------
\usepackage{fancyhdr} 
% All pages have headers and footers
\pagestyle{fancy} 
% Blank out the default header
\fancyhead{}
% Custom header text
\fancyhead[C]{ABC $\bullet$ ABC $\bullet$ ABC} 
%----------------------------------------------------------------------------------------

%----------------------------------------------------------------------------------------
%   TITLES
%----------------------------------------------------------------------------------------
% Allows customization of titles
\usepackage{titlesec} 
% Roman numerals for the sections
\renewcommand\thesection{\Roman{section}.} 
% Arabic numerals for subsections
\renewcommand\thesubsection{\Roman{subsection}.}
%----------------------------------------------------------------------------------------

%----------------------------------------------------------------------------------------
%   REFERENCE HYPERLINK SMALLER FONT
%----------------------------------------------------------------------------------------
\makeatletter
\def\url@leostyle{
  \@ifundefined{selectfont}{\def\UrlFont{\sffamily}}{\def\UrlFont{\small\ttfamily}}}
\makeatother
\urlstyle{leo}
%----------------------------------------------------------------------------------------

\begin{document}
% starts supressing the twoculomn environment, from here on it will we one column
\twocolumn[\begin{@twocolumnfalse}

% make a section
\section*{\huge\scshape\centering{The Mash-Up Experiment}}
\vspace{4mm}    
\normalsize

\begin{center}
\large\textsc{XXX XXX}\\
\vspace{4mm}  
University

\href{mailto:[email protected]}{[email protected]}
\end{center}
\vspace{6mm}

\section*{Abstract} 
“The Mash-Up Experiment” is a six-minute musical piece. 

\vspace{8mm}

%begins tabular
\begin{tabular}{p{1,5cm}p{12,55cm}p{1,5cm}}   
&\textbf{Keywords}: authorship\\
\end{tabular} 
% ends tabular

\vspace{11mm}

% ends suppressing the twocolumn environment, from here on it will be twocolumn
\end{@twocolumnfalse}]  

\section{Methods} % make section 
\subsection{Foundations}
In the matter of the sonic sources included in this song, more than thirty different tracks were utilised. The scope of genres and authors was motley, ranging from classical orchestration to bolero, from old singers to contemporary pop acts. Nonetheless, a great percentage of these tunes were taken from the works of James Bernard, who composed several scores for Hammer Films in the last millennium. He is the man behind the music from classic horror flicks such as “The Quartermass Experiment (1955),“ ”The Devil Rides Out (1968),” and “Scars of Dracula (1970).” 

\subsection{Selection of assets}
In the matter of the sonic sources included in this song, more than thirty different tracks were utilised. The scope of genres and authors was motley, ranging from classical orchestration to bolero, from old singers to contemporary pop acts. Nonetheless, a great percentage of these tunes were taken from the works of James Bernard, who composed several scores for Hammer Films in the last millennium. He is the man behind the music from classic horror flicks such as “The Quartermass Experiment (1955),“ ”The Devil Rides Out (1968),” and “Scars of Dracula (1970).” 

\subsection{Composition and arrangement}
In the matter of the sonic sources included in this song, more than thirty different tracks were utilised. The scope of genres and authors was motley, ranging from classical orchestration to bolero, from old singers to contemporary pop acts. Nonetheless, a great percentage of these tunes were taken from the works of James Bernard, who composed several scores for Hammer Films in the last millennium. He is the man behind the music from classic horror flicks such as “The Quartermass Experiment (1955),“ ”The Devil Rides Out (1968),” and “Scars of Dracula (1970).” 

\end{document}

Respuesta1

El comportamiento deseado

I.II. Selección de activos

se puede obtener cambiando la siguiente línea

\renewcommand\thesubsection{\Roman{subsection}.}

a

\renewcommand\thesubsection{\thesection\Roman{subsection}.}

Aunque las advertencias mencionadas en los comentarios siguen siendo válidas.

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