What is the solution to Chapter 9 Question 11E from the textbook \"MATLAB: A Pra

Question

What is the solution to Chapter 9 Question 11E from the textbook "MATLAB: A Practical Introduction To Programming And Problem Solving Third Edition". The question reads," Create a file which stores on each line a letter, a space, and a real number. For example, it might look like this: e 5.4 f 3.3 c 2.2 Write a script that uses textscan to read from this file. It will print the sum of the numbers in the file. The script should error-check the file open and close, and print error messages as neccessary.

Explanation / Answer

try
   fid = fopen('data.txt', 'r');
   res = textscan(fid,'%d');
   disp(sum(res))
catch ex
   disp(' Cannot open file')
   disp(ex)
end

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