Question

Please use matlab, thank you!

2r3-6r2 4x 15 as a 8. [10 Define the polynomial p(x) vector -3 3. Use polyval to compute the polynomial at all points in r, and plot it. Use the Data Cursor tool (icon on Figure toolbar) to find the value of p at approximately = 1 vector of coefficients. Define a

Answer 1

Code :

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clc;

clear all;

close all;

%%

polynomial=[2 -6 4 15];

vec=[-3:1:3];

out=polyval(polynomial,vec);

stem(vec,out)

%%%%%%%%%%%%%%%%%%%%%%%%%%%%

X 1 Y 15 20 -80 100 120 0 2 40

Hope it helps

Thank You.