% This file was created by matlab2tikz.
%
\definecolor{mycolor1}{rgb}{0.00000,0.44700,0.74100}%
%
\begin{tikzpicture}

\begin{axis}[%
width=3.752in,
height=1.563in,
at={(0.551in,2.205in)},
scale only axis,
separate axis lines,
every outer x axis line/.append style={black},
every x tick label/.append style={font=\color{black}},
every x tick/.append style={black},
xmode=log,
xmin=0.01,
xmax=100,
xtick={0.01,0.1,1,10,100},
xticklabels={{}},
xminorticks=true,
every outer y axis line/.append style={black},
every y tick label/.append style={font=\color{black}},
every y tick/.append style={black},
ymode=log,
ymin=0.01,
ymax=100,
yminorticks=true,
ylabel={Magnitude},
axis background/.style={fill=white},
xmajorgrids,
xminorgrids,
ymajorgrids,
yminorgrids
]
\addplot [color=mycolor1, line width=1.5pt, forget plot]
  table[row sep=crcr]{%
0.01	100\\
100	0.01\\
};
\end{axis}

\begin{axis}[%
width=3.752in,
height=1.563in,
at={(0.551in,0.433in)},
scale only axis,
separate axis lines,
every outer x axis line/.append style={black},
every x tick label/.append style={font=\color{black}},
every x tick/.append style={black},
xmode=log,
xmin=0.01,
xmax=100,
xminorticks=true,
xlabel={Relative Frequency $\frac{\omega}{\omega_0}$},
every outer y axis line/.append style={black},
every y tick label/.append style={font=\color{black}},
every y tick/.append style={black},
ymin=-180,
ymax=180,
ytick={-180,  -90,    0,   90,  180},
ylabel={Phase [deg]},
axis background/.style={fill=white},
xmajorgrids,
xminorgrids,
ymajorgrids
]
\addplot [color=mycolor1, line width=1.5pt, forget plot]
  table[row sep=crcr]{%
0.01	-90\\
100	-90\\
};
\end{axis}
\end{tikzpicture}%