At the moment, my first choice for a major is in Economics, and after doing some research, I've found out that the mathematics courses required for a PhD are Probability and Statistics, Single-Variable Calculus (Calc. 1 and 2), Multivariable Calculus, Linear Algebra and both Ordinary and Partial Differential Equations. My question is: What is required for preparation for Differential Equations? Also, are Partial Differential Equations really as difficult as most people say they are (which they is are(adsbygoogle = window.adsbygoogle || []).push({}); verydifficult)?

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# Courses Differential Equations Courses

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