Homework 6 March 2, 2015 Due on March 13, 2015 This is a simple fit of a straight line to noisy data as in the HW 4 y a + bx = , i i where a and b are the unknown parameters. ... 2) Plot the data and do an "eyeball" estimate (i.e., no fancy mathematical calculations, but explain how you arrived at your answers) of the parameters a, b, nd and . a a b , (3) Use the answers in part (1) to set the initial values of the input parameters. ... 4) Repeat [3] for different values of the step size. ...