I have an externa file lets call it "data" which is not written in the MaTLab,...

I have an externa file lets call it "data" which is not written in the MaTLab, I want to call it using a code so, I can read all the data numbers from it and then plot it in a sine and cosine waves in the graphical user interfernace (GUI)
I need it fast please
Thanks

Expert Solution

There are several codes for importing data from different types of files

1. D = importdata(filename) %loads data into array D. genral files like image etc

2. Suppose you have file in exel format

D = xlsread(filename) % reads the first worksheet in the MS Excel spreadsheet workbook named filename and

%returns the numeric data in a matrix.

D = xlsread(filename,sheet) % reads the specified worksheet.

3. Data read from a text file

D = fscanf(fileID,formatSpec) % reads data from an open text file into column vector A and interprets values in

%the file according to the format specified by formatSpec.

OR

fileID = fopen('dtat.txt','w')

---------Example attached for first command----

Manojponduru answered 3 years ago

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