Mandatory assignment 2

The second mandatory assignment has been posted [More]. The deadline is Thursday April 25 (@14:30).

Updated 12 Apr 2024: Problem 1d lacks a condition on the function u: |u(x)|\le M/2 for all x, for some constant M<1/2.  Note also that M/2+M^2\le M when 0\le M\le 1/2. The pdf of the assignment has been updated accordingly.