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Submission + - Introduction to math of 3d graphics

holden writes: "Graphics programming is seen as the cool thing by a large number of people. A lot of confusion arizes when people attempt to do 3d graphics programming without the proper mathematical background in basic linear algebra. Christopher Evensen recently gave a talk covering covering the important fundamentals. The math is also accompanied by a real world programming example."

egrep patterns are full regular expressions; it uses a fast deterministic algorithm that sometimes needs exponential space. -- unix manuals