# Need to sort the number in the increasing order using MATLAB script, shown as a sample text file.

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Ravi Shankar 2019 年 11 月 29 日
Commented: Ravi Shankar 2019 年 12 月 3 日
The current avilable pattern is as follows,
0.0,A
2.0,B
5.00,C
0.10,D
5.00,E
0.10,F
1.00,G
0.10,H
10.00,I
0.10,J
2.0,K
2.0,L
2.0,M
5.00,N
0.10,O
10.00,P
0.10,Q
The required pattern is as follows,
0.0,A
0.10,D
0.10,F
0.10,H
0.10,J
0.10,O
0.10,Q
1.00,G
2.0,B
2.0,K
2.0,L
2.0,M
5.00,C
5.00,E
5.00,N
10.00,I
10.00,P

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### 件の回答 (2)

Stephen Cobeldick 2019 年 11 月 29 日

And then import your file into a cell array of character vectors C:
D = natsort(C,'\d+\.?\d*'); % sort into the requested order.
Where D contains the sorted character vectors, which you can check:
>> D(:)
ans =
'0.0,A'
'0.10,D'
'0.10,F'
'0.10,H'
'0.10,J'
'0.10,O'
'0.10,Q'
'1.00,G'
'2.0,B'
'2.0,K'
'2.0,L'
'2.0,M'
'5.00,C'
'5.00,E'
'5.00,N'
'10.00,I'
'10.00,P'
If you want, save it to file:
[fid,msg] = fopen('out.txt','wt');
assert(fid>=3,msg)
fprintf('%s\n',D{:});
fclose(fid);

#### 3 件のコメント

Ravi Shankar 2019 年 12 月 2 日
Hi Stephen,
Thanks for the information that you provided.
I am able to read the content inside Text File which this command,
After that when i run this below command i am getting following error,
D = natsort(C,'\d+\.?\d*');
Undefined function or variable 'natsort'.
Can you help me on this issue.
Thank you,
Stephen Cobeldick 2019 年 12 月 2 日
"Can you help me on this issue."
Of course. Here is the very first sentence of my answer:
Did you DOWNLOAD my FEX submssion from the link that I gave you? You will then need to unzip it into the current folder (or somewhere on the MATLAB Search Path).
Ravi Shankar 2019 年 12 月 3 日
Thanks for the information Stephen.

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Andrei Bobrov 2019 年 11 月 29 日
T = sortrows(T)
writetable(T,'new2.txt','delimiter',',','WriteVariableNames',0)

#### 2 件のコメント

Stephen Cobeldick 2019 年 11 月 29 日
Note that this method changes the numeric data format, the output file looks like this:
0.1,D
0.1,F
0.1,H
0.1,J
0.1,O
0.1,Q
1,G
2,B
2,K
2,L
2,M
5,C
5,E
5,N
10,I
10,P
Given the varaible number of trailing digits, it would be fiddly to make this work using writetable. The answer I provided gives the data in exactly the format shown in the question (i.e. unchanged from the input format).
Ravi Shankar 2019 年 12 月 3 日
Thanks for the information Andrei Bobrov.

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