I have yet to successfully execute an Octave script

[Daniel Collins]

Folks,

 

                I am a new user using Octave 4.2.0 in Windows 7.  I have yet to successfully execute even 1 script.  What is wrong with the following code?

 

filename = "first1.txt";

fid = fopen(filename, "w");

m = [1 2 3;4 5 6;7 8 9];

v = [1;2;3];

x = m*v;

fprintf(fid,'x = %.1f\n%.1f\n%.1f\n',x);

 

Thanks for any advice that may be offered.

-Daniel J. Collins

571-406-9708