<p>[Impacted</a> Majors](<a href=“http://www.ucsd.edu/current-students/academics/advising/majors-minors/impacted-majors.html]Impacted”>Capped Majors)</p>
<p>I’m afraid going from Undeclared to any of the impacted majors listed on the link above is quite difficult and unlikely to happen. It would require a high GPA in all courses related to the major at UCSD.</p>