1. E

    Find angle in 3D space, from two vectors

    Hi Everybody. I've a simple (I think) question, but can't find the answer. I'm building a graphical application in 3D where I need to rotate objects and to do coordinate conversions on the representation of their orientation. My explanation here use the right handed system (X left, Y top, Z...
  2. pankaj

    Regions in 3D-space

    What is maximum number of regions formed by n-planes in 3-D space?
  3. S

    no cartesian equation in 3d-space?

    why can't there be a cartesian equation of a plane in 3d-space?