Contents

Aaron Klapheck

% In class 7-Feb-2008
clear, clc, home
fprintf('The date and time: %s \n', datestr(now))

The date and time: 19-Feb-2008 13:34:03 

System of equations

% 3x + 4y + z = 5
% 7x - 3y + 4z = 0
% 2x + y - 10z = -17

A = [3, 4, 1; 7, -3, 4; 2, 1, -10];
b = [5; 0; -17];

x = A\b

eigen_values = eig(A)

x =

   -0.4789
    1.1787
    1.7221


eigen_values =

    6.4309
   -6.0182
  -10.4127

Data files

fileID = fopen('f_opporations.dat', 'r');

% [Name of variable, how many characters to read] = fscanf(fileID, 'format', [size])
[A, count] = fscanf(fileID, '%g');

fclose(fileID);

A

A =

     5
     2
     2
     5
     1
     7

Published with MATLAB® 7.0.1