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\begin{center}
        \[
        $$  [\textbf{u}]=
         \begin{bmatrix}
             u_1  \\
             u_2  \\
             u_3
        \end{bmatrix}$$
        $\in$ $\mathbb{M}_{3\times1}$ 
        \]

    \end{center}

I used the above code to print my matrix and text side by side. I am getting the error bad math delimitor. Suggest an alternative for this issue.

1 Answer 1

1

The correct form most likely is:

\[    % <--- start of math mode
[\mathbf{u}]=
 \begin{bmatrix}
     u_1  \\
     u_2  \\
     u_3
\end{bmatrix}
    ,\quad \in\mathbb{M}_{3\times 1}
\]    % <--- end of math mode

Note: you made the same mistake as can be seen in Missing $ inserted for matrices. beside this, the use of $$ in latex document is deprecated. instead it use \[ ... \].

Also \mathbf{u} is the right command rather than \textbf{u}.

3
  • @AKTomThomas, than you can accept answer (by clicking on check mark at top left side of answer) :-). also see edit of my answer.
    – Zarko
    Jan 7, 2018 at 11:53
  • It should probably be \mathbf{u}, rather than \textbf.
    – egreg
    Jan 7, 2018 at 11:56
  • @egreg, ups, i overlooked this. corrected now. thank you very much!
    – Zarko
    Jan 7, 2018 at 11:58

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