Latex_tables

Latex_table

https://www.math.utk.edu/~finotti/files/latex/LaTeX_Symbols.pdf --- symbol pdf...
https://tex.stackexchange.com/questions/345379/table-in-two-column

Latex_tables - two column width...
\begin{table*}[!hbt]
  \caption{Comparison of our evaluation scores with other references}\label{tab:apis}
  \small
  \begin{center}
    \begin{tabular}{|l|l|l|l|l|l|}

      \toprule

      {\bf Sl.No.} & {\bf  Video from Office \citep{fu2010multi}} & {\bf Precision} & {\bf Recall} & {\bf Accuracy} & {\bf F1 Score} \\
      \midrule[.1em]

        1.  & Office-1 & 0.9 & 0.93 &  98 &  0.91 \\ \hline
		2.  & Office-2 & 0.95 & 0.98 &  97.9 &  0.96 \\ \hline
		3.  & Office-3 & 0.93 & 0.89 &  95.6 &  0.90 \\  \hline
		4.  & Refe[18] & 0.93 & 0.86 &  93 &  0.90 \\ \hline

      
    \end{tabular}
  \end{center}
\end{table*}


https://tex.stackexchange.com/questions/5223/command-for-argmin-or-argmax/284054
argmin --

\usepackage[numbers]{natbib}
\usepackage{amsmath}
\DeclareMathOperator*{\argmax}{arg\,max}
\DeclareMathOperator*{\argmin}{arg\,min}


\begin{equation}
\label{eqn:3}
O_{k} = \argmin_Oj \{(O_{j} - M)^2\}
\end{equation} 

space symbol \quad

equation -- cases..

\begin{equation}
\label{c5:eqn5}
fit_{new} = \left.
  \begin{cases}

    \frac{1}{1 + f_{new}}, & \text{if  } f_{new} \geq 0 \\
    1 + |f_{new}|  & \text{if } f_{new} \leq 0
  \end{cases}
  \right.
   \end{equation}