y(t) = 01 + 02x(t) + O3x² (t) + O4x*(t) + 0sx* (t) + O6x*(t) +0,x°(t) Solve tjro matlab.
y(t) = 01 + 02x(t) + O3x² (t) + O4x*(t) + 0sx* (t) + O6x*(t) +0,x°(t) Solve tjro matlab.
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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y(t) = 01 + 02x(t) + O3x² (t) + O4x*(t) + 0sx* (t) + O6x*(t) +0,x°(t) Solve tjro matlab.

Transcribed Image Text:1 Gen
ate pairs of data (xi, Yi) using
= (0 : 0.1 : 2.5)';y=erf(x);
in MATLAB. Assume that the output y(t) can be approximated by a sixth - th
degree polynomial in terms of x(t) (including a constant bias term, so seven pa-
rameters in total):
_y(t) = 0₁ + 0₂x(1) + 03x² (1) + 04x³ (1) + 05xª (1) + 0x³ (1) + 07xº (1)
Solve for the coefficients 0₁, i = 1,2,3,4,5,6,7 using batch least squares. Com-
pare the result with the MATLAR function "polyfit."
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