Hence X is the least square solution.
EXAMPLE 2.81
Fit a straight line y = a + bx to the following data by the method of least square:
Solution. We have (as per our notations)
Therefore,
and
Hence,
and so a = 1.64 and ...
Get Engineering Mathematics, Volume II, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.