ajaz_204_2013_2014_HW_1

# by the way what do you notice about the 2 d contour

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: e way, what do you notice about the 2-D contour plots of 4 University of Toronto, Department of Economics, ECO 204, 2013 - 20143 Question 2 (a) Consider defined on convex? Both concave and convex? If the function is concave then ) When is this function concave? Convex? Strictly concave? Strictly If then the function is concave. If then the function is strictly concave. The reverse isn’t necessarily true: for example, (graph it) and yet ( ) at If the function is convex then If then the function is convex. If then the function is strictly convex. The reverse isn’t necessarily true: for example, (graph it) and yet ( ) at If is strictly concave is strictly convex then the function is both concave and convex. If the function is both concave and convex then . ) and where (b) Consider defined on . When is this function concave? Convex? Strictly concave? Strictly convex? Both concave and convex? Neither concave nor convex? ( Recall that ) so that: 5 University of Toronto, Department of Economics, ECO 204, 2013 - 20143 ⏟ ⏟( If the function is concave then If If ) then the function is concave. then the function is...
View Full Document

## This homework help was uploaded on 02/15/2014 for the course E 204 taught by Professor Ajaz during the Winter '13 term at University of Toronto- Toronto.

Ask a homework question - tutors are online