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Unformatted text preview: Instructor: Quanlei Fang Dept. of Math, University at Buffalo, Spring 2009 Welcome to Math 122 Lecture 8 Survey of Calculus and its Applications I1 ! Partial Derivatives ! Finding Relative Maxima and Minima ! Lagrange Multipliers and Constrained Optimization 7.5 ! Least Squares Error ! Least Squares Line (Regression Line) ! Determining a Least Squares Line Definition Example Least Squares Error : The total error in approximating the data points ( x 1 , y 1 ),...., ( x N , y N ) by a line y = Ax + B , measured by the sum E of the squares of the vertical distances from the points to the line, Example is forthcoming. 7.5 ! Least Squares Error ! Least Squares Line (Regression Line) ! Determining a Least Squares Line Definition Example Least Squares Error : The total error in approximating the data points ( x 1 , y 1 ),...., ( x N , y N ) by a line y = Ax + B , measured by the sum E of the squares of the vertical distances from the points to the line, Example is forthcoming. Definition...
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This note was uploaded on 02/20/2009 for the course MTH 122 taught by Professor Buettgens during the Spring '08 term at SUNY Buffalo.
 Spring '08
 BUETTGENS
 Derivative

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