从文本文件matlab读取时将单元格转换为double值

时间:2014-05-19 08:52:55

标签: matlab

我正在尝试从文件中读取数据,但我无法将格式从单元格更改为双格式,任何正文都可以帮助我。

我写的代码:

fid=fopen(filename); 
tline = fgetl(fid);
while ischar(tline) 
   temp = strsplit(tline);% temp should be array holding double values.
end

文件样本(仅限一行):

0.0000000e+00   4.1800000e+01   4.4800000e+01   4.7100000e+01   3.7400000e+01   4.0100000e+01   4.0600000e+01   4.3800000e+01   4.3100000e+01   6.2800000e+01   6.3600000e+01   7.3900000e+01   7.3100000e+01   7.8500000e+01   7.0400000e+01   6.8700000e+01   5.9600000e+01   7.4000000e+01   6.5900000e+01   6.5300000e+01   6.0600000e+01   6.6600000e+01   5.5600000e+01   5.7900000e+01   5.5100000e+01   6.4800000e+01   6.7600000e+01   7.4500000e+01   5.9100000e+01   5.5200000e+01   5.3800000e+01   5.9900000e+01   5.0600000e+01   5.1500000e+01   6.1400000e+01   6.8900000e+01   5.9100000e+01   7.1000000e+01   6.1500000e+01   6.9900000e+01   7.5200000e+01   8.0600000e+01   7.4300000e+01   7.4700000e+01   6.3400000e+01   6.7300000e+01   7.3600000e+01   8.2200000e+01   6.9800000e+01   7.2600000e+01   7.6100000e+01  -1.0300000e+01  -5.9000000e+00  -3.3000000e+00  -1.4100000e+01  -1.1500000e+01  -9.5000000e+00  -8.6000000e+00  -3.6000000e+00   1.4400000e+01   1.8900000e+01   3.0600000e+01   3.0600000e+01   3.6000000e+01   2.2600000e+01   2.1300000e+01   1.3900000e+01   2.7400000e+01   2.0100000e+01   1.7300000e+01   9.5000000e+00   1.6100000e+01   4.4000000e+00   8.8000000e+00   7.9000000e+00   2.0300000e+01   1.7500000e+01   2.8000000e+01   1.2100000e+01   4.9000000e+00   1.3000000e+00   9.0000000e+00   7.0000000e+00   2.2000000e+00   1.2300000e+01   2.0900000e+01   1.2300000e+01   2.3500000e+01   1.3300000e+01   2.2400000e+01   2.2400000e+01   2.5800000e+01   2.2300000e+01   2.0200000e+01   1.1200000e+01   1.7400000e+01   2.0900000e+01   2.6200000e+01   1.2600000e+01   2.4000000e+01   2.6500000e+01   3.8100000e+01   2.5200000e+01   4.6000000e+01   2.3300000e+01   3.5900000e+01   2.3200000e+01   4.2600000e+01   3.2100000e+01   6.7600000e+01   5.5400000e+01   7.8800000e+01   6.6600000e+01   8.6600000e+01   5.8700000e+01   7.2800000e+01   4.8400000e+01   7.6500000e+01   5.3200000e+01   6.7200000e+01   4.1600000e+01   6.0700000e+01   3.5300000e+01   5.7300000e+01   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3.2700000e+01   2.2200000e+01   1.4800000e+01   1.1700000e+01   5.9000000e+00   1.5600000e+01   2.6000000e+01   3.5400000e+01   3.0300000e+01   3.6700000e+01   2.2000000e+01   1.6700000e+01   1.7500000e+01   1.6400000e+01   2.1800000e+01   1.5100000e+01   2.6700000e+01   3.2300000e+01   2.9300000e+01   3.5800000e+01   3.0700000e+01   4.0800000e+01   3.4500000e+01   3.1000000e+01   3.1200000e+01   3.4100000e+01   3.6400000e+01   3.7500000e+01   3.7900000e+01   3.7300000e+01   2.4100000e+01   3.3800000e+01   4.3500000e+01   4.0000000e-01   7.3000000e+00   9.6000000e+00   9.5000000e+00   4.2000000e+00   4.8000000e+00   3.3000000e+00   1.8500000e+01   3.2600000e+01   5.0900000e+01   5.8400000e+01   5.6700000e+01   4.8400000e+01   4.1600000e+01   4.9500000e+01   5.0200000e+01   5.1900000e+01   4.7300000e+01   3.4700000e+01   2.8700000e+01   1.5400000e+01   1.0100000e+01   2.3500000e+01   3.5900000e+01   4.4300000e+01   4.4000000e+01   4.5200000e+01   3.0500000e+01   2.5900000e+01   2.9100000e+01   2.1300000e+01   2.7700000e+01   1.9300000e+01   3.3500000e+01   4.2000000e+01   4.2300000e+01   4.1200000e+01   4.3300000e+01   4.7900000e+01   4.2000000e+01   3.5600000e+01   4.2900000e+01   4.3600000e+01   5.1400000e+01   5.0600000e+01   4.9100000e+01   4.3000000e+01   3.2600000e+01   3.8300000e+01   4.8100000e+01   3.6900000e+01   4.7700000e+01   4.5100000e+01   3.7500000e+01   3.7800000e+01   4.7100000e+01   3.8500000e+01   4.7400000e+01   6.5100000e+01   6.5100000e+01   8.2400000e+01   8.7100000e+01   8.3400000e+01   8.2500000e+01   7.8100000e+01   6.7000000e+01   7.0300000e+01   6.9100000e+01   6.3900000e+01   6.4400000e+01   6.3100000e+01   5.5600000e+01   6.5800000e+01   5.5600000e+01   6.7300000e+01   6.7800000e+01   6.6700000e+01   6.2700000e+01   5.8400000e+01   5.1500000e+01   5.2500000e+01   6.0700000e+01   5.2800000e+01   6.6500000e+01   5.8100000e+01   5.4700000e+01   6.6600000e+01   6.8500000e+01   6.6200000e+01   5.2600000e+01   6.1600000e+01   8.5800000e+01   9.6100000e+01   7.7600000e+01   6.0600000e+01   5.8300000e+01   6.6000000e+01   6.7700000e+01   6.6700000e+01   6.0400000e+01   1.0100000e+01   1.6400000e+01   1.8900000e+01   7.8000000e+00   1.2400000e+01   1.3400000e+01   1.1600000e+01   2.0700000e+01   4.3800000e+01   4.2000000e+01   6.2500000e+01   6.2900000e+01   6.5700000e+01   5.8400000e+01   5.5600000e+01   4.0200000e+01   5.1200000e+01   4.5600000e+01   4.4500000e+01   3.8700000e+01   4.2400000e+01   2.8400000e+01   3.8600000e+01   2.9900000e+01   4.4900000e+01   3.9700000e+01   4.6300000e+01   3.7800000e+01   3.4900000e+01   2.1400000e+01   2.9900000e+01   3.6500000e+01   3.1700000e+01   3.8100000e+01   3.4600000e+01   3.0800000e+01   4.9800000e+01   4.6400000e+01   4.7500000e+01   2.5100000e+01   3.7300000e+01   5.8100000e+01   7.4200000e+01   5.5700000e+01   4.1100000e+01   3.7700000e+01   5.0300000e+01   4.4200000e+01   4.8700000e+01   3.5600000e+01   2.4500000e+01   3.2300000e+01   3.4100000e+01   2.0800000e+01   2.2800000e+01   2.4100000e+01   2.2900000e+01   3.4800000e+01   5.9900000e+01   6.1900000e+01   8.0200000e+01   7.9200000e+01   8.2300000e+01   7.6000000e+01   7.6000000e+01   6.1100000e+01   6.9000000e+01   6.1100000e+01   5.8200000e+01   4.9700000e+01   5.4900000e+01   4.2400000e+01   5.4900000e+01   5.1100000e+01   6.4900000e+01   5.9800000e+01   6.6300000e+01   5.5500000e+01   5.2700000e+01   4.1300000e+01   4.9700000e+01   5.4300000e+01   4.9200000e+01   5.2700000e+01   5.7300000e+01   5.1000000e+01   6.4000000e+01   5.8100000e+01   6.9300000e+01   5.3500000e+01   5.5300000e+01   6.5500000e+01   7.9200000e+01   6.9800000e+01   6.3800000e+01   5.9800000e+01   6.9400000e+01   6.1100000e+01   6.6500000e+01   5.6600000e+01   3.4600000e+01   4.1700000e+01   4.3800000e+01   2.8500000e+01   3.0600000e+01   2.8700000e+01   3.0900000e+01   4.4200000e+01   7.0500000e+01   7.6200000e+01   8.9900000e+01   8.7300000e+01   8.9800000e+01   8.4300000e+01   8.8200000e+01   7.4900000e+01   7.8800000e+01   6.6900000e+01   6.0500000e+01   5.2900000e+01   5.9100000e+01   4.7900000e+01   5.9200000e+01   6.0600000e+01   7.4100000e+01   6.4400000e+01   7.2600000e+01   5.9900000e+01   5.7100000e+01   4.5800000e+01   5.6300000e+01   6.0300000e+01   5.3100000e+01   5.7300000e+01   6.4500000e+01   5.6400000e+01   6.7500000e+01   5.8500000e+01   7.6200000e+01   6.4700000e+01   6.3300000e+01   6.6100000e+01   7.6700000e+01   7.0500000e+01   6.7100000e+01   6.5600000e+01   7.3600000e+01   6.3300000e+01   7.2300000e+01   6.6900000e+01   6.3400000e+01   6.8300000e+01   7.0100000e+01   5.5000000e+01   5.5900000e+01   5.3500000e+01   5.8900000e+01   7.2100000e+01   9.8300000e+01   1.0420000e+02   1.1620000e+02   1.1040000e+02   1.1460000e+02   1.1000000e+02   1.2100000e+02   1.0870000e+02   1.0900000e+02   9.5200000e+01   8.8800000e+01   7.8300000e+01   8.3000000e+01   7.0800000e+01   8.6100000e+01   8.9500000e+01   1.0460000e+02   9.5200000e+01   1.0560000e+02   8.7400000e+01   8.5600000e+01   7.9200000e+01   8.6700000e+01   8.9800000e+01   8.2500000e+01   8.9200000e+01   9.8000000e+01   8.9900000e+01   9.7400000e+01   9.1300000e+01   1.0750000e+02   9.5700000e+01   9.3800000e+01   9.6000000e+01   1.0260000e+02   9.8400000e+01   1.0050000e+02   9.6700000e+01   1.0510000e+02   9.1700000e+01   1.0280000e+02   9.9400000e+01   3.0300000e+01   3.3300000e+01   3.3400000e+01   2.1200000e+01   2.3400000e+01   1.9400000e+01   2.6000000e+01   3.9900000e+01   6.3900000e+01   7.1000000e+01   8.0100000e+01   7.3000000e+01   7.6600000e+01   7.1500000e+01   8.5100000e+01   7.5700000e+01   7.3500000e+01   5.9000000e+01   5.1800000e+01   4.1400000e+01   4.1600000e+01   3.0800000e+01   4.8100000e+01   5.1900000e+01   6.7100000e+01   5.9600000e+01   6.9300000e+01   4.9800000e+01   5.0100000e+01   4.6000000e+01   5.0800000e+01   5.2000000e+01   4.5000000e+01   5.4300000e+01   6.4300000e+01   5.6200000e+01   6.2400000e+01   5.7500000e+01   7.1400000e+01   6.0500000e+01   6.0200000e+01   6.1400000e+01   6.5600000e+01   6.2700000e+01   6.5000000e+01   6.0000000e+01   6.6800000e+01   5.3400000e+01   6.5000000e+01   6.4400000e+01   7.9000000e+00   1.1200000e+01   1.4300000e+01   5.6000000e+00   6.8000000e+00   2.0000000e+00   8.6000000e+00   1.9300000e+01   4.1600000e+01   5.2700000e+01   6.1900000e+01   5.5300000e+01   5.2200000e+01   4.6400000e+01   6.2200000e+01   5.7400000e+01   5.5400000e+01   4.3800000e+01   3.4700000e+01   2.2600000e+01   1.8200000e+01   9.8000000e+00   3.0400000e+01   3.3700000e+01   4.9800000e+01   4.2500000e+01   5.0000000e+01   2.8800000e+01   3.0900000e+01   2.9300000e+01   2.7900000e+01   3.1000000e+01   2.3800000e+01   3.5800000e+01   4.7300000e+01   4.1400000e+01   4.2300000e+01   4.1500000e+01   5.1600000e+01   4.3600000e+01   4.2800000e+01   4.6300000e+01   4.9400000e+01   4.7700000e+01   5.3200000e+01   4.3000000e+01   4.4900000e+01   3.2700000e+01   4.3400000e+01   4.5500000e+01   1.9200000e+01   3.3600000e+01   3.3800000e+01   1.7100000e+01   1.7900000e+01   2.5200000e+01   3.1400000e+01   3.8800000e+01   5.3600000e+01   5.5800000e+01   6.4700000e+01   7.4100000e+01   7.1900000e+01   7.2700000e+01   7.7100000e+01   6.3600000e+01   6.1200000e+01   4.8100000e+01   4.0300000e+01   3.0900000e+01   3.4500000e+01   3.3300000e+01   5.2800000e+01   5.2000000e+01   6.1900000e+01   6.1600000e+01   5.6500000e+01   4.4700000e+01   4.3800000e+01   4.1500000e+01   4.4500000e+01   5.2300000e+01   4.7000000e+01   5.2700000e+01   4.7400000e+01   3.7000000e+01   4.6400000e+01   4.9800000e+01   5.9500000e+01   5.1000000e+01   5.3600000e+01   6.0600000e+01   7.2400000e+01   6.0100000e+01   5.5100000e+01   4.9400000e+01   5.6400000e+01   4.6700000e+01   5.3700000e+01   4.3400000e+01  -4.0000000e-01   1.2700000e+01   1.2000000e+01  -1.7000000e+00  -3.5000000e+00   1.5000000e+00   1.2100000e+01   2.5200000e+01   4.2500000e+01   4.4600000e+01   5.2700000e+01   5.0500000e+01   5.0000000e+01   5.1100000e+01   5.4600000e+01   5.4400000e+01   4.6600000e+01   2.9200000e+01   1.9400000e+01   6.8000000e+00   8.9000000e+00   7.2000000e+00   2.5300000e+01   3.4400000e+01   4.5700000e+01   3.9800000e+01   3.9600000e+01   2.6100000e+01   2.8500000e+01   2.6700000e+01   3.0800000e+01   3.4600000e+01   2.7600000e+01   3.8300000e+01   3.5400000e+01   2.4900000e+01   3.2300000e+01   3.0300000e+01   4.2600000e+01   3.6400000e+01   4.0100000e+01   4.3000000e+01   4.6500000e+01   4.6300000e+01   4.3600000e+01   3.6700000e+01   4.0700000e+01   3.0700000e+01   4.0600000e+01   3.3100000e+01

非常感谢,

2 个答案:

答案 0 :(得分:2)

您可以使用cell2mat()吗?

这会将您的单元格数组转换为与原始单元格数组中的值格式相同的矩阵。

从上面链接提供的示例:

c = {[1],    [2, 3, 4];
     [5; 9], [6, 7, 8; 10, 11, 12]};

m = cell2mat(c)


m =
     1     2     3     4
     5     6     7     8
     9    10    11    12

答案 1 :(得分:1)

我认为你只是在寻找str2num

假设您有一个包含两行数字的单元格,以字符串格式存储:

c={'0.0000000e+00   4.1800000e+01   4.4800000e+01';
'0.0000000e+00   4.1800000e+01   4.4800000e+01'}

现在你可以从第一行得到数字:

d=str2num(c{1})

这假设读书已经成功。否则请查看doc dlmread