# 06-240/Homework Assignment 7

Solve problems 1, 2, 4 and 9 on pages 106-107, problems 1, 2 and 9 on pages 151-152 and problems 1, 2aceg, 2bdf, 7, 19 and 21 on pages 165-168 but submit only your solutions of the underlined problems. This assignment is due at the tutorials on Thursday November 16.

Just for fun. Do a web search for the words "OpenGL" and "matrix" (or "matrices") and find out why graphics accelerators in PCs and game consoles do $4\times 4$ (!) matrix multiplications in hardware. (The full explanation is very involved; perhaps you should just aim to get a taste of it).

A famed creature that owes its mobility to 4x4 matrices.