The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/8355022b24c7a1e84b0cd0ebb07575b0.gif" -- '\Large 
D \mathbf{f} (x,y,z)=\begin{bmatrix}2x &2y & 2z\\ 2x&2y&-1\\ 1&1&1\end{bmatrix}
'<br />returned status = 126<br />
Image not found!<br />Please try the <a href="https://mycourses.aalto.fi/filter/tex/texdebug.php">debugging script</a>