o generate
  hypershpere - [0] generate points on hypersphere (see above)
  show        - [1] figure to use for display (no display if == 0)

 OUTPUTS
  Xr          - resulting randomly generated vectors

 EXAMPLE

 See also <a href="pca.html" class="code" title="function [ U, mu, vars ] = pca( X )">PCA</a> IMNORMALIZE

 Piotr's Image&amp;Video Toolbox      Version 2.0
 Copyright 2012 Piotr Dollar.  [pdollar-at-caltech.edu]
 Please email me if you find bugs, or have suggestions or questions!
 