Publisher's Synopsis
Excerpt from A Practical Simplification of the Method of Least Squares: A Lecture Given at the Galois Institute of Mathematics at Long Island University
The given experimental results are plotted on accurately ruled millimeter paper, the scale large enough to show the likely errors of observation or experiment. A smooth curve is drawn free hand to represent the trend of the points as closely as the eye will allow; or else a neat wavy curve is drawn through the points themselves. In some cases, if the points are more or less evenly thrown by the errors to the one and the other side of any curve on which they might belong, neighboring points may, for the purpose of interpolation, be con nected by straight lines. Erom the curve, or from the broken line, we read the ordinates corresponding to a set of uniformly increasing abscissas to which are assigned the values x 8 O, l, 2, 5, 4, 10; or some similar set. Still further simplification comes of assigning to the abiscissas the values (3-5) 3 -5, 4, 5, -2, l, O, l, 2, 5, 4, 5.
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