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vectormore about vector

vector

 

  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Vector  \Vec"tor\,  n.  [L.,  a  bearer,  carrier.  fr  vehere  vectum, 
  to  carry.] 
  1.  Same  as  {Radius  vector}. 
 
  2.  (Math.)  A  directed  quantity,  as  a  straight  line  a  force, 
  or  a  velocity.  Vectors  are  said  to  be  equal  when  their 
  directions  are  the  same  their  magnitudes  equal.  Cf 
  {Scalar}. 
 
  Note:  In  a  triangle,  either  side  is  the  vector  sum  of  the 
  other  two  sides  taken  in  proper  order  the  process 
  finding  the  vector  sum  of  two  or  more  vectors  is  vector 
  addition  (see  under  {Addition}). 
 
  From  WordNet  r  1.6  [wn]: 
 
  vector 
  n  1:  a  variable  quantity  that  can  be  resolved  into  components 
  2:  a  straight  line  segment  whose  length  is  magnitude  and  whose 
  orientation  in  space  is  direction 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  vector 
 
  1.    A  member  of  a  {vector  space}. 
 
  2.    A  line  or  movement  defined  by  its  end  points,  or 
  by  the  current  position  and  one  other  point.  See  {vector 
  graphics}. 
 
  3.    A  memory  location  containing  the  address 
  of  some  code,  often  some  kind  of  {exception}  handler  or  other 
  {operating  system}  service.  By  changing  the  vector  to  point 
  to  a  different  piece  of  code  it  is  possible  to  modify  the 
  behaviour  of  the  operating  system. 
 
  Compare  {hook}. 
 
  4.    A  one-dimensional  {array}. 
 
  (1996-09-30)




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