I tried to post the following set of equations today in LaTeX. I traditionally use Enter to separate long arguments without inserting a New Line character (\\).
So here is what I wrote:
\(
\left\ \begin{array}{c}
\frac{dX1}{dt}=X2\\
\frac{dX2}{dt}=U
\end{array} \right} \Leftrightarrow\\
\left\ \begin{array}{c}
\frac{dX1}{dt}=0*X1+1*X2+0*U\\
\frac{dX2}{dt}=0*X1+0*X2+1*U
\end{array} \right} \Leftrightarrow\\
\left[ \begin{array}{c} \dot{X1} \\ \dot{X2}\\ \end{array} \right] =
\left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot
\left[ \begin{array}{c} X1 \\ X2 \end{array} \right] +
\left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U \Leftrightarrow\\
\dot{X}= \left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot X+
\left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U
\)
Clearly the new lines are scr3w3d, so I re-wrote it to this:
\(
\left\ \begin{array}{c}
\frac{dX1}{dt}=X2\\
\frac{dX2}{dt}=U
\end{array} \right} \Leftrightarrow\\
\left\ \begin{array}{c}
\frac{dX1}{dt}=0*X1+1*X2+0*U\\
\frac{dX2}{dt}=0*X1+0*X2+1*U
\end{array} \right} \Leftrightarrow\\
\left[ \begin{array}{c} \dot{X1} \\ \dot{X2}\\ \end{array} \right] =\left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot \left[ \begin{array}{c} X1 \\ X2 \end{array} \right] +\left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U \Leftrightarrow\\
\dot{X}= \left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot X+ \left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U
\)
This doesn't have Enters in the problematic spots.
Does anyone know if this is a bug in the LaTeX compiler of the site or if it's something else?
So here is what I wrote:
\(
\left\ \begin{array}{c}
\frac{dX1}{dt}=X2\\
\frac{dX2}{dt}=U
\end{array} \right} \Leftrightarrow\\
\left\ \begin{array}{c}
\frac{dX1}{dt}=0*X1+1*X2+0*U\\
\frac{dX2}{dt}=0*X1+0*X2+1*U
\end{array} \right} \Leftrightarrow\\
\left[ \begin{array}{c} \dot{X1} \\ \dot{X2}\\ \end{array} \right] =
\left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot
\left[ \begin{array}{c} X1 \\ X2 \end{array} \right] +
\left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U \Leftrightarrow\\
\dot{X}= \left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot X+
\left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U
\)
Clearly the new lines are scr3w3d, so I re-wrote it to this:
\(
\left\ \begin{array}{c}
\frac{dX1}{dt}=X2\\
\frac{dX2}{dt}=U
\end{array} \right} \Leftrightarrow\\
\left\ \begin{array}{c}
\frac{dX1}{dt}=0*X1+1*X2+0*U\\
\frac{dX2}{dt}=0*X1+0*X2+1*U
\end{array} \right} \Leftrightarrow\\
\left[ \begin{array}{c} \dot{X1} \\ \dot{X2}\\ \end{array} \right] =\left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot \left[ \begin{array}{c} X1 \\ X2 \end{array} \right] +\left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U \Leftrightarrow\\
\dot{X}= \left[ \begin{array}{c} 0 & 1 \\ 0 & 0 \end{array} \right] \cdot X+ \left[ \begin{array}{c} 0 \\ 1 \end{array} \right] \cdot U
\)
This doesn't have Enters in the problematic spots.
Does anyone know if this is a bug in the LaTeX compiler of the site or if it's something else?