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Use Matlab and write entier script Problem 1. Using the information above, find y(n) for all n...

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Mechanical Engineering

Use Matlab and write entier script

Problem 1.

Using the information above, find y(n) for all n between1:N.

y(tn)=mx(tn)+b+r(tn)

y=mx+b

Plot the points on a graph, without connecting them with aline.   Use a command like:

plot( x, y, ‘.r’ )

Now we want to find the “best fit” solution.   As wasmentioned before, this was defined in the prior exercise. (You maywish to read this to understand how the algorithmworks.)   Use the MATLAB code below.

You have the vectors x and y already. You need a vector I, whichis a column which each element equal to 1.

Programming Steps:

I = ones(length(x),1);

u = [ x , I ];

w = (u’ * u) \ ( u’ * y) ;

The result is an estimate of the values of m and b.  The estimate for m is w(1) and the estimate for b is w(2). Theresulting estimate for y is:

               y_est = u * w;

Answer & Explanation Solved by verified expert
3.5 Ratings (254 Votes)
MATLABCODEclcclearn10 number of elements in xm5 assumed mb1 assumed    See Answer
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