Numerical Methods 125% 4 16 (i) [1 mark] Given the data points {(ak,Uk))3-{(-1,03), (2.-01), (0.0.1)), the ai. Which of least-squares regression line can be written in the form y - do the following 2...
125% 4 16 (i) [1 mark] Given the data points {(ak,Uk))3-{(-1,03), (2.-01), (0.0.1)), the ai. Which of least-squares regression line can be written in the form y - do the following 2 x 2 linear systms of equations are the normal equations that determine the unknown coefficients do and ai? 0.5 0.6 0.6 A. 1 3 a1 B. 0.5 C. 0.5 0.5 0.6 0.26 [ao D.13 0.6」[al -0.5 0.6 3 1 o E. 5 La G) [I mark] Consider the following MATLAB code segment. h-0.1i y t.exp( t) dy = diff (y); yp dy/h; What is the value of dy after executing the lines above? B. dy-11.00000, 0.99532, 0.982181 C. dy 110.0000, 9.9532, 9.8248 D. dy [0.90183, 0.73262] E. dy [0.09018, 0.07326 0)
125% 4 16 (i) [1 mark] Given the data points {(ak,Uk))3-{(-1,03), (2.-01), (0.0.1)), the ai. Which of least-squares regression line can be written in the form y - do the following 2 x 2 linear systms of equations are the normal equations that determine the unknown coefficients do and ai? 0.5 0.6 0.6 A. 1 3 a1 B. 0.5 C. 0.5 0.5 0.6 0.26 [ao D.13 0.6」[al -0.5 0.6 3 1 o E. 5 La G) [I mark] Consider the following MATLAB code segment. h-0.1i y t.exp( t) dy = diff (y); yp dy/h; What is the value of dy after executing the lines above? B. dy-11.00000, 0.99532, 0.982181 C. dy 110.0000, 9.9532, 9.8248 D. dy [0.90183, 0.73262] E. dy [0.09018, 0.07326 0)