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Read blank row as 0

3 vues (au cours des 30 derniers jours)
Rodrigo Trigona
Rodrigo Trigona le 26 Sep 2012
What function in MATLAB can I use that reads an excel line and plots 0 when it has a blank space

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Matt Fig
Matt Fig le 26 Sep 2012
Blank rows are read as nans with xlsread. So use
N(isnan(N))=0
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Matt Fig
Matt Fig le 26 Sep 2012
N is the output from xlsread, assuming you have numeric data. See the help for xlsread.
help xlsread
Image Analyst
Image Analyst le 27 Sep 2012
N = xlsread(filename);
Where there is a blank cell in the Excel worksheet, N will be NaN at those locations, and N will have valid numbers at other locations where you have valid numbers in the worksheet. Matt's code changes those matrix locations with NaN's in them from NaN to 0, as you requested. Understand?

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