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how to write and read file fastly?

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Rohit Bhoi
Rohit Bhoi on 8 Mar 2016
Closed: Walter Roberson on 8 Mar 2016
I have one data translation device of which I am getting data using 'getdata' function. now I have to save this data and once it saved I have to read it again and plot a graph. I am getting data using following code [d,t]=getdata(ai); // where d is data and t is time data1=d(:,1); data2=d(:,2);
I have to save this data very fast and again read it and plot graph. which method shall I use?? xslread and write or csvread and write or dlmread and write?

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