Please run this codes and give the results.

% inclass-8a_1 % Cubic spline % si (x)-ai+bi (x-xi) +ci (x-xi)"2+d (x- xi)3 % data set A= [3.0 2.5 4.51.0 7.0 2.5 9.0 0.5; x = A(:,1); f A,2) plot (x,f,', 'MarkerSize , 10, 'MarkerFaceColor', 'k) xlabel'''fontSize',14) ylabel ''. 'FontSize',14) axis (12 10 0 3]) grid on hold on % Determine the cofficients of Linear splies n= length (x); b- zeros (n,1); c-zeros (n,1)d- zeros (n,1): h = zeros (n, 1); a-f: % set up the Tridiagonal matrix [ ee Ef ggl and constant arrys rxl to % solve for c: for i-1:n-1 end % Initialize the arrays ee- zeros (n,1) ff = zeros (n, 1); gg = zeros (n, 1); rr- zeros (n, 1); % right-hand side constants rr(1) ? 0; % inclass-8a_1 % Cubic spline % si (x)-ai+bi (x-xi) +ci (x-xi)"2+d (x- xi)3 % data set A= [3.0 2.5 4.51.0 7.0 2.5 9.0 0.5; x = A(:,1); f A,2) plot (x,f,', 'MarkerSize , 10, 'MarkerFaceColor', 'k) xlabel'''fontSize',14) ylabel ''. 'FontSize',14) axis (12 10 0 3]) grid on hold on % Determine the cofficients of Linear splies n= length (x); b- zeros (n,1); c-zeros (n,1)d- zeros (n,1): h = zeros (n, 1); a-f: % set up the Tridiagonal matrix [ ee Ef ggl and constant arrys rxl to % solve for c: for i-1:n-1 end % Initialize the arrays ee- zeros (n,1) ff = zeros (n, 1); gg = zeros (n, 1); rr- zeros (n, 1); % right-hand side constants rr(1) ? 0