The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/b0c399f5db14024b7789eb75e797c5ce.gif" -- '\Large \|\Delta\mathbf{r}_{k}\| \approx \|\mathbf{r}'\''(t_{k-1})\|(t_{k}-t_{k-1}),'<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>