p91.mag

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% This is the magnetization curve shown in Figure 
% P9-2.  The first column is the field current in
% amps, and the second column is the open-circuit
% terminal voltage in volts at a speed of 1200 
% r/min.  The data will be loaded into an N x 2 array 
% named p92, with the first column containing If and 
% the second column containing the open-circuit voltage.
% MATLAB function "interp1" can be used to recover
% a value from this curve. 
       0        0
  0.0132     6.67
    0.03    13.33
   0.033       16
   0.067    31.30
     0.1    45.46
   0.133    60.26
   0.167    75.06
     0.2    89.74
   0.233    104.4
   0.267   118.86
     0.3   132.86
   0.333   146.46
   0.367   159.78
     0.4   172.18
   0.433   183.98
   0.467   195.04
     0.5   205.18
   0.533   214.52
   0.567   223.06
     0.6    231.2
   0.633      238
   0.667   244.14
     0.7   249.74
   0.733   255.08
   0.767    259.2
     0.8   263.74
   0.833    267.6
   0.867    270.8
     0.9    273.6
   0.933   276.14
   0.966      278
       1   279.74
   1.033   281.48
   1.067   282.94
     1.1   284.28
   1.133   285.48
   1.167   286.54
     1.2    287.3
   1.233   287.86
   1.267   288.36
     1.3   288.82
   1.333    289.2
   1.367  289.375
     1.4  289.567
   1.433  289.689
   1.466  289.811
     1.5  289.950