ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   p l a n e t m a t h dot o r g   s l a s h   p r o b a b i l i s t i c m e t r i c s p a c e	h   t   t   p   c o l o n   s l a s h   s l a s h   p l a n e t m a t h dot o r g   s l a s h   p r o b a b i l i s t i c m e t r i c s p a c e	1