I am trying to put this Matlab homework together and am having some problems. I

Question

I am trying to put this Matlab homework together and am having some problems. I can't figure out how to call in a file from the user to use in the computation. There are some other problems as well. Any help would be much appreciated. Thanks!

Your program should implement the following tasks: Load a plain text data file, whose name is provided by the user, which contains only two columns of numbers, representing, e.g., Experimental measurements of a physical variable under column 2 (the dependent variable), at various values of another physical variables under column 1 (the independent variable). The data suggests there may be a simple trend which adequately explain the data (e.g., a low degree polynomial approximation), which adequately explain the data (e.g., a low degree polynomial approximation), which, if one had this, one could construct a table of the relation on a regular grid of point over some range of the independent variable.

Explanation / Answer

fileID = fopen(filename);

this can be used to open a file.

fclose(fileID);

this can be used to close a file.

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