Linear algebra and eigenvalue problems; partial differential equations, orthogonal functions, Fourier series, Legendre functions, spherical harmonics. Three lectures; one term Prerequisite(s): One of MATH 2A03, 2MM3, 2Q04, 2X03, 2Z03 or ISCI 2A18; and one of MATH 2C03, 2M03, 2P04 or 2ZZ3. One of PHYSICS 2B06, 2D03 or 2E03 is recommended. Not open to students with credit or registration in MATH 3FF3.