送交者: skywalker00 于 2005-3-04, 14:34:15:
and it does not require the space to be discrete. limited is the key.
For example, if you want to describe a three dimension, where the value within each dimension is normalized to be within 0 and 1, then you can represent a point (X, Y, Z) as
0.X<sub>1</sub>Y<sub>1</sub>Z<sub>1</sub>X<sub>1</sub>Y<sub>1</sub>Z<sub>1</sub>X<sub>2</sub>Y<sub>2</sub>Z<sub>2</sub>X<sub>3</sub>Y<sub>3</sub>Z<sub>3</sub>...