p97.mag

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% This is the magnetization curve shown in Figure 
% P9-7.  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 1800 
% r/min.  The data will be loaded into an N x 2 array 
% named p97, 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.  (Note that the graph has two
% of horizontal axes If and MMF.  Only the field current
% axes appear here.)
       0         0
    .200    8.0000
    .400   16.0000
    .600   24.0000
    .800   32.0000
   1.000   40.0000
   1.200   48.0000
   1.400   56.0000
   1.600   64.0000
   1.800   71.9000
   2.000   79.5000
   2.200   86.7000
   2.400   93.1000
   2.600   98.7000
   2.800  103.5000
   3.000  107.4600
   3.200  110.6600
   3.400  113.4600
   3.600  115.8600
   3.800  117.9600
   4.000  120.0000
   4.200  122.0000
   4.400  123.9000
   4.600  125.7000
   4.800  127.4000
   5.000  128.9800
   5.200  130.4200
   5.400  131.7400
   5.600  132.9500
   5.800  134.1500
   6.000  135.4000
   6.200  136.6500
   6.400  138.0000
   6.600  139.2500
   6.800  140.5000
   7.000  141.8000