why readtable create field "D" in the struct "D1"
显示 更早的评论
function D1=TEST()
D=readtable('test.txt','delimiter',',');
save canc.tset D
D1=load('canc.tset',"-mat")
end
i access it using
D1.D...
it's possibile to avoid "D" field?
1 个评论
采纳的回答
If there is only one variable in the MAT file (regardless of its extension) and you do not know/care what its name is:
C = struct2cell(load(..));
assert(isscalar(C),'Only one array can be LOADed')
T = C{1}
If the variable name is known in advance, e.g. "D"
S = load(..)
T = S.D
12 个评论
shamal
2023-6-16
Stephen23
2023-6-17
writetable(T,'mytable.csv')
shamal
2023-6-17
编辑：Walter Roberson
2023-6-17
I summarize: I have this table in .mat format
I call it with the command:
[file2,path] = uigetfile({'*.ttslist2'}, 'Select a file');
and i import it using :
T1=importdata(strcat(path,file2));
now T1 is a cell format
In app designer i call this function and
app.UITable.Data=(T1);
- now i've a table
- later I change some table values
Now that I have the new table I want to save it in the original .mat format so I can't use saving in .txt)
Stephen23
2023-6-17
"Now that I have the new table I want to save it in the original .mat format so I can't use saving in .txt)"
Then select an appropriate function for that file format (read the link that I gave you).
Avoid IMPORTDATA.
They look the same to me: both look like CSV files (interpreted by some application which you do not specify). But instead of comparing screenshots, you need to compare the actual text data (which is what CSV files are).
If you want more help, upload the actual CSV files and original MAT file by clicking the paperclip button.
shamal
2023-6-17
编辑：Walter Roberson
2023-6-17
Stephen23
2023-6-17
"Now that I have the new table I want to save it in the original .mat format "
Then you should be using SAVE, not WRITETABLE for exporting the data.
Avoid IMPORTDATA, use LOAD instead.
shamal
2023-6-17
编辑：Walter Roberson
2023-6-17
Stephen23
2023-6-17
save('prova.txt','T')
SAVE is an exception: it requires the name/s of the variable/s that you want to save, not the variables themselves. That is explained and shown in the SAVE documentation. You should look at the documentation of every function that you use.
shamal
2023-6-17
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