%PDATA: MATLAB script M-file that defines pendulum data from 
%the reference "Dimensional analysis and intelligent experimentation,"
%by Andrew C. Palmer (see p. 140; amplitude values have been 
%converted to angle values)
l = [1.93 1.93 1.94 .79 .79 .79 .79 2.4 2.01 2.01 6.84 6.84]; %in meters
P = [2.791 2.758 2.863 1.769 1.997 1.819 1.797 3.075 2.825 2.872 5.099 5.066]; %in seconds
a = [1.4 .66 2.68 .79 1.57 1.14 .53 1.03 1 2.24 1.14 1.14]; %in meters, length measured horizontally from one extreme of oscillation to the other
theta = asin(a./(2*l)); %theta in radians, computed from a and l
g=9.81;