Matlab 从矩阵中提取单个列

Matlab 从矩阵中提取单个列,matlab,matrix,Matlab,Matrix,我用Matlab编写的程序生成了一个矩阵,如下所示: 'A' 'B' 'C' 'D' 'E' [ 4] [ 1] [ 0.9837] [ 0.9928] [0.9928] [ 4] [ 1] [ 0.9995] [ 0.9887] [0.99

我用Matlab编写的程序生成了一个矩阵,如下所示:

     'A'               'B'             'C'              'D'          'E'  
    [       4]    [          1]    [  0.9837]    [      0.9928]    [0.9928]
    [       4]    [          1]    [  0.9995]    [      0.9887]    [0.9995]
    [       4]    [          1]    [  0.9982]    [      0.9995]    [0.9995]
    [       4]    [          1]    [  0.9959]    [      0.9982]    [0.9887]
我正在尝试提取列
'D'
,但没有标题“D”

我可以输入一个临时变量,然后提取列数据。但我想知道,这是否可以一步到位


谢谢

如果您的变量是
数据
,那么
数据(2:end,4)
应该可以


编辑:

例如:

>> data
data = 
    'A'    'B'    'C'         'D'         'E'     
    [4]    [1]    [0.9837]    [0.9928]    [0.9928]
    [4]    [1]    [0.9995]    [0.9887]    [0.9995] 
    [4]    [1]    [0.9982]    [0.9995]    [0.9995]
    [4]    [1]    [0.9959]    [0.9982]    [0.9887]
>> data(2:end,4)  %Extract the data as a cell array
ans = 
    [0.9928]
    [0.9887]
    [0.9995]
    [0.9982]
>> cell2mat(data(2:end,4))  %Convert to a numeric (typical) array
ans =
    0.9928
    0.9887
    0.9995
    0.9982

如果变量是
data
,则
data(2:end,4)
应执行此操作


编辑:

例如:

>> data
data = 
    'A'    'B'    'C'         'D'         'E'     
    [4]    [1]    [0.9837]    [0.9928]    [0.9928]
    [4]    [1]    [0.9995]    [0.9887]    [0.9995] 
    [4]    [1]    [0.9982]    [0.9995]    [0.9995]
    [4]    [1]    [0.9959]    [0.9982]    [0.9887]
>> data(2:end,4)  %Extract the data as a cell array
ans = 
    [0.9928]
    [0.9887]
    [0.9995]
    [0.9982]
>> cell2mat(data(2:end,4))  %Convert to a numeric (typical) array
ans =
    0.9928
    0.9887
    0.9995
    0.9982

你能告诉我你的数据类型吗?例如,
whos(foo)
你能告诉我你的数据类型吗?例如,
whos(foo)
非常感谢。。这就是我在看的。再次感谢你的帮助和时间。。这就是我在看的。再次感谢您的帮助和时间。