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Task P2 Given the following set of data: 16 70 X y 7 17 26 248 38 555 50 630 62 783 77 886 86 967 a) Plot the data set as black diamonds. b) Use 'polyfit' function in MATLAB, to calculate the 'linear' line of best fit, coefficients 'a0' and 'a1' and the coefficient of determination, r². Print these values using fprintf. c) Use the 'polyval' function to interpolate/extrapolate to find the values of y for values of x corresponding to: 20, 40 and 80. Plot the extrapolated data points as red asterisks on the figure produced in part (a).

Task P2 Given the following set of data: 16 70 X y 7 17 26 248 38 555 50 630 62 783 77 886 86 967 a) Plot the data set as black diamonds. b) Use 'polyfit' function in MATLAB, to calculate the 'linear' line of best fit, coefficients 'a0' and 'a1' and the coefficient of determination, r². Print these values using fprintf. c) Use the 'polyval' function to interpolate/extrapolate to find the values of y for values of x corresponding to: 20, 40 and 80. Plot the extrapolated data points as red asterisks on the figure produced in part (a).

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please use matlab.

Task P2 Given the following set of data: X y 7 17 16 70 26 248 38 555 50 630 62 783 77 886 86 967 a) Plot the data set as black diamonds. b) Use 'polyfit' function in MATLAB, to calculate the 'linear' line of best fit, coefficients 'a0' and 'a1' and the coefficient of determination, r². Print these values using fprintf. c) Use the 'polyval' function to interpolate/extrapolate to find the values of y for values of x corresponding to: 20, 40 and 80. Plot the extrapolated data points as red asterisks on the figure produced in part (a).
Transcribed Image Text:Task P2 Given the following set of data: X y 7 17 16 70 26 248 38 555 50 630 62 783 77 886 86 967 a) Plot the data set as black diamonds. b) Use 'polyfit' function in MATLAB, to calculate the 'linear' line of best fit, coefficients 'a0' and 'a1' and the coefficient of determination, r². Print these values using fprintf. c) Use the 'polyval' function to interpolate/extrapolate to find the values of y for values of x corresponding to: 20, 40 and 80. Plot the extrapolated data points as red asterisks on the figure produced in part (a).
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