These videos were recorded by MIT in the spring of 2003, and there are 39 related courseware. At present, the teaching content published on MIT website 20 14 is 39 lessons, which were recorded in the spring of 20 10. And the content of 2003 has changed a little. Compared with the 20 10 version of the curriculum, it is speculated that 18, 34, 35, 36, 37, 38 and 39 lectures may not be recorded, and the specific reasons are unknown. The unrecorded contents may include engineering application, polar diagram, linear limited period, chaos, vector field, near-linear balance and nonlinear simple pendulum. Maybe it's an application and some cutting-edge content.
MIT Course Original Website:
/special/open course/equations . html
Episode 18 seems to be available for download at present:
Http://techtv.mit.edu/collections/math/videos/7437-1803-profs-miller-and-van diver-31510-lecture.