x = point_read ( 'point_read.txt' )

x =

    0.1683    0.8783
    0.8344    0.8330
    0.5214    0.4999
    0.5062    0.1652
    0.1805    0.6274
    0.1795    0.3724
    0.5054    0.8339
    0.8345    0.1663
    0.8418    0.4999
    0.1697    0.1223