The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/bbf567846e97231c9ff44b9c4d20ce53.gif" -- '\Large 
\nabla f= f_x \mathbf{i} + f_y \mathbf{j} + f_z \mathbf{k} \ \text{ ja }\
  \nabla = \mathbf{i} \frac{\partial}{\partial x} + \mathbf{j}\frac{\partial}{\partial y} + \mathbf{k}\frac{\partial}{\partial z}.
  '<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>