10.03.2015 Views

v2009.01.01 - Convex Optimization

v2009.01.01 - Convex Optimization

v2009.01.01 - Convex Optimization

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

676 APPENDIX E. PROJECTION<br />

∂H −<br />

C<br />

(a)<br />

P C x<br />

H −<br />

H +<br />

κa<br />

P ∂H− x<br />

x<br />

(b)<br />

Figure 140: Dual interpretation of projection of point x on convex set C<br />

in R 2 . (a) κ = (a T a) −1( a T x − σ C (a) ) (b) Minimum distance from x to<br />

C is found by maximizing distance to all hyperplanes supporting C and<br />

separating it from x . A convex problem for any convex set, distance of<br />

maximization is unique.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!