现在需要将一个txt文件里的数据读入到MATLAB，第一例为x，第二例为y，并需要保持小数位数不变

format long
A = importdata('a.txt')
x=A(:,1)
y=A(:,2)
plot(x,y)

记得将a.txt放在工作空间
A =

0 0.109970000000000
0.000065000000000 0.105494000000000
0.000130000000000 0.109970000000000
0.000195000000000 0.102937000000000
0.000260000000000 0.102298000000000
0.000326000000000 0.104216000000000
0.000391000000000 0.101658000000000
0.000456000000000 0.112527000000000
0.000521000000000 0.103576000000000
0.000586000000000 0.101019000000000

x =

1.0e-003 *

0
0.065000000000000
0.130000000000000
0.195000000000000
0.260000000000000
0.326000000000000
0.391000000000000
0.456000000000000
0.521000000000000
0.586000000000000

y =

0.109970000000000
0.105494000000000
0.109970000000000
0.102937000000000
0.102298000000000
0.104216000000000
0.101658000000000
0.112527000000000
0.103576000000000
0.101019000000000

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