ܣָкƳظ

ʽRemoveRepeatByCol(a, index)
a 
indexָкţ1

˵ִгɹûظе

ӣ
a =
[ 2    3    5
  4    3    2
  7    8    9
  4    3    8 ]
  
b = RemoveRepeatByCol(a,2)//a棬a2ûظȥõ½2вظ
b =
[ 2    3    5
  7    8    9 ]