What am I missing on the round function

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Maroulator
Maroulator 2014-12-21
回答： Image Analyst 2014-12-21
I have the following code; Round_Data2 gives me the desired output, whereas Round_Data1 does not and I need to know why this is the case. The objective of the code is to round the values of filename to the the nearest integer. filename is a text file, labelled "Input Data," ie "Input Data.txt"
Any help would be extremely appreciated.
filename=inputdlg('Enter the name of the file you wish to read; include the file extension.');
filename=cell2mat(filename);
load(filename);
Round_Data1=round(filename); %Rounding
Round_Data2=round(Input_Data); %Rounding

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采纳的回答

Image Analyst
Image Analyst 2014-12-21
You can't round a string. You need to read in the data and round that
storedStructure = load(filename);
thisData = storedStructure.yourData; % Whatever it's called...
thisData = round(thisData, 2); % Round to 2 decimal places.

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