To prepare for next week_澳门皇冠体育,皇冠足球比分

ncf
2019-03-31T20:11:40.910Z
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www.uio.no

First: Seminar problem assignment updated.

I have not yet made a new 2019 note on convexity/concavity/quasi-*. The C^2 characterization is covered already, but we will get as far as to the C^1 characterization and beyond. You should have a look at the note up to the C^1 characterization.

Then, quasiconvex functions: have a look at this plot. The function is not convex, it flattens out: fill with water up high enough, and a line segment from the bottom to the shore will cut outside. But it is quasiconvex:

Fill up to level L (fixed, but arbitrary).

Look down at the water surface from a bird's view.

For this partic...