LaTeX 中的迭代 | 中的迭代

本文介绍了LaTeX 中的迭代的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

I would like to use some iteration control flow to simplify the following LaTeX code.

  egin{sidewaystable}
  caption{A glance of images}
  centering
  egin{tabular}{| c ||c| c| c |c| c|| c |c| c|c|c| }
  hline
  ackslashbox{Theme}{Class} &multicolumn{5}{|c|}{Class 0} & multicolumn{5}{|c|}{Class 1}  \
  hline

  hline
          1 &
          includegraphics[scale=2]{../../results/1/0_1.eps}
          &includegraphics[scale=2]{../../results/1/0_2.eps}
          &includegraphics[scale=2]{../../results/1/0_3.eps}
          &includegraphics[scale=2]{../../results/1/0_4.eps}
          &includegraphics[scale=2]{../../results/1/0_5.eps}
          &includegraphics[scale=2]{../../results/1/1_1.eps}
          &includegraphics[scale=2]{../../results/1/1_2.eps}
          &includegraphics[scale=2]{../../results/1/1_3.eps}
          &includegraphics[scale=2]{../../results/1/1_4.eps}
          &includegraphics[scale=2]{../../results/1/1_5.eps}      \
  hline

  ...  % similarly for 2, 3, ..., 22

  hline
          23 &
          includegraphics[scale=2]{../../results/23/0_1.eps}
          &includegraphics[scale=2]{../../results/23/0_2.eps}
          &includegraphics[scale=2]{../../results/23/0_3.eps}
          &includegraphics[scale=2]{../../results/23/0_4.eps}
          &includegraphics[scale=2]{../../results/23/0_5.eps}
          &includegraphics[scale=2]{../../results/23/1_1.eps}
          &includegraphics[scale=2]{../../results/23/1_2.eps}
          &includegraphics[scale=2]{../../results/23/1_3.eps}
          &includegraphics[scale=2]{../../results/23/1_4.eps}
          &includegraphics[scale=2]{../../results/23/1_5.eps}      \
  hline

  end{tabular}
  end{sidewaystable}

I learn that the forloop package provides the for loop. But I am not sure how to apply it to my case? Or other methods not by forloop?

If I also want to simply another similar case, where the only difference is that the directory does not run from 1, 2, to 23, but in some arbitrary order such as 3, 2, 6, 9,..., or even a list of strings such as dira, dirc, dird, dirb,.... How do I make the LaTeX code into loops then?

解决方案

Something like this will take care of the body of your tabular:


ewcounter{themenumber}

ewcounter{classnumber}

ewcounter{imagenumber}
forloop{themenumber}{1}{value{themenumber} < 24}{
    % hline <-- Error here
    arabic{themenumber}
    forloop{classnumber}{0}{value{classnumber} < 2}{
        forloop{imagenumber}{1}{value{imagenumber} < 6}{
            & includegraphics[scale=2]{
                ../../results/arabic{themenumber}/arabic{classnumber}_arabic{imagenumber}.eps
            }
        }
    }
    \
    hline
}

I had to comment out the first hline because it gave me an error:

You can't use `hrule' here except with leaders.

I'm not sure what that means; if you really cannot live without the double line, I can look into it more.

Also note that you have to use <; for example, <= 24 will not work.

As to your update: I would simply declare a command that takes the argument that you're looping over. Something like this:


ewcommandfordir[1]{do something complex involving directory named #1}

fordir{dira}
fordir{dirb}
fordir{dirc}
dots

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