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i'm trying to create t metrics in two column latex document, everything went well but column one array is overwrite on column two as shown:how can i fix this? i wrote the arrays as:

        \begin{scriptsize}  
 \begin{multicols}{2} \
     \[CPU = \left[\begin{array}{cccc}
    10 & 90 & 90 & 55 \\
    50 & 20 & 20 & 72 \\
    30 & 20 & 20 & 72 \\
10 & 40 & 40 & 72 \\
20 & 40 & 40 & 72 \\
20 & 50 & 50 & 55 \\
90 & 20 & 20 & 15 \\
20 & 10 & 10 & 70 \\
20 & 10 & 10 & 70 \\
20 & 15 & 15 & 70 \\
90 & 10 & 10 & 33
 \end{array} \right]  Memory = \left[\begin{array}{cccc}
 48 & 256 & 256 & 128 \\
 128 & 256 & 256 & 148 \\
 64 & 256 & 256 & 148 \\
 48 & 168 & 168 &  148 \\
 64 & 168 & 168 & 148 \\
 64 & 168 & 168 & 64 \\
 168 & 128 & 128 & 64 \\
 148 & 96 & 96 & 148 \\
 48 & 32 & 32 & 148 \\
 48 & 32 & 32 & 148 \\
 168 & 64 & 64 & 96 
 \end{array} \right]\]  
\end{multicols}
\[Power = \left[\begin{array}{cccc}
2 & 18 & 18 & 11 \\
10 & 4 & 4 & 14 \\
6 & 4 & 4 & 14 \\
2 & 8 & 8 & 14 \\
4 & 8 & 8 & 14 \\
4 & 10 & 10 & 11 \\
18 & 4 & 4 & 3 \\
4 & 2 & 2 & 14 \\
4 & 2 & 2 & 14 \\
4 & 3 & 3 & 14 \\
18 & 2 & 2 & 7

\end{array} \right]\]   
\end{scriptsize}

any tips?

4
  • Welcome to TeX.SE! your array is simple to wide to be fit in one column. One possible solution is broke first line of your math into two lines. Do you agree with such solution? However, a short complete document, which we can copy to our computers and compile, would be very helpful. – Zarko Jul 3 '16 at 20:08
  • One possible solution is broke first line of your math into two lines. could you clarify it more? – lujain aldakheel Jul 3 '16 at 20:13
  • its works! the problem was that i wrote the arrays inside an itemize environment so they was like this. thank you. – lujain aldakheel Jul 3 '16 at 20:21
  • meanwhile I prepare suggestion how to wrote your equations, see it below. – Zarko Jul 3 '16 at 20:25
1

See, if the following code works for you. In comparison to yours it s changed a way of writing variables CPU, Memory and Power, Than instead of array I use matrix environment and all matrices into align. All this enviromnets is avaliable with amsmath package or its improved version mathtools:

\documentclass[twocolumn]{article}
\usepackage{mathtools}
\usepackage{lipsum}
\usepackage{geometry}

\begin{document}   
    \begin{align*}
\mathit{CPU} 
    & = \begin{bmatrix}
    10 & 90 & 90 & 55 \\
    50 & 20 & 20 & 72 \\
    30 & 20 & 20 & 72 \\
    10 & 40 & 40 & 72 \\
    20 & 40 & 40 & 72 \\
    20 & 50 & 50 & 55 \\
    90 & 20 & 20 & 15 \\
    20 & 10 & 10 & 70 \\
    20 & 10 & 10 & 70 \\
    20 & 15 & 15 & 70 \\
    90 & 10 & 10 & 33
        \end{bmatrix} \displaybreak[2]    \\[1ex]
\mathit{Memory}
    & = \begin{bmatrix}
     48  & 256 & 256 & 128  \\
     128 & 256 & 256 & 148  \\
     64  & 256 & 256 & 148  \\
     48  & 168 & 168 &  148 \\
     64  & 168 & 168 & 148  \\
     64  & 168 & 168 & 64   \\
     168 & 128 & 128 & 64   \\
     148 & 96 & 96 & 148    \\
     48  & 32 & 32 & 148    \\
     48  & 32 & 32 & 148    \\
     168 & 64 & 64 & 96
    \end{bmatrix}  \displaybreak[2]    \\[1ex]
\mathit{Power}
    & = \begin{bmatrix}
    2  & 18 & 18 & 11   \\
    10 & 4  & 4  & 14   \\
    6  & 4  & 4  & 14   \\
    2  & 8  & 8  & 14   \\
    4  & 8  & 8  & 14   \\
    4  & 10 & 10 & 11   \\
    18 & 4  & 4  & 3    \\
    4  & 2  & 2  & 14   \\
    4  & 2  & 2  & 14   \\
    4  & 3  & 3  & 14   \\
    18 & 2  & 2  & 7
    \end{bmatrix}                  
    \end{align*}
\lipsum[3-4]
\end{document}    

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