You get the following Matlab code from a fellow student: function [result]=what_do_i_do(x_vec_in,y_vec_in) a=min(x_vec_in); b=max(x_vec_in); dim1=length(x_vec_in); dim2=length(y_vec_in); if (dim1==dim2) n=10*dim1; x=[a:1/n:b]; y=interp1(x_vec_in,y_vec_in,x,'spline'); result 1/n* (0.5*(y(1)+y(end))+sum(y(2:end-1))); else sprintf('The input vectors are of different length!') result=NaN; end end When you call the function with two example input vectors the result will be what_do_i_do([0134],[0 19 16]) ans = 21.3338

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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What is the purpose of this Matlab function?

a) Perform a non-linear regression based on a spline-function

b) Interpolate the data on an equidistant grid and perform a numerical integration

c) Solve an ordinary differential equation that is represented by data values on a non-equidistant grid

d) Determine the similarity of the two input vectors; the higher the resulting number the better is the agreement

You get the following Matlab code from a fellow student:
function
[result]=what_do_i_do(x_vec_in,y_vec_in)
a=min(x_vec_in);
b=max(x_vec_in);
dim1=length(x_vec_in);
dim2=length(y_vec_in);
if (dim1==dim2)
n=10*dim1;
x=[a:1/n:b];
y=interp1(x_vec_in,y_vec_in,x,'spline');
result 1/n* (0.5*(y(1)+y(end))+sum(y(2:end-1)));
else
sprintf('The input vectors are of different length!')
result=NaN;
end
end
When you call the function with two example input vectors the result will be
what_do_i_do([0134],[0 19 16])
ans =
21.3338
Transcribed Image Text:You get the following Matlab code from a fellow student: function [result]=what_do_i_do(x_vec_in,y_vec_in) a=min(x_vec_in); b=max(x_vec_in); dim1=length(x_vec_in); dim2=length(y_vec_in); if (dim1==dim2) n=10*dim1; x=[a:1/n:b]; y=interp1(x_vec_in,y_vec_in,x,'spline'); result 1/n* (0.5*(y(1)+y(end))+sum(y(2:end-1))); else sprintf('The input vectors are of different length!') result=NaN; end end When you call the function with two example input vectors the result will be what_do_i_do([0134],[0 19 16]) ans = 21.3338
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