What is the use of repmat in this code?
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Hello, I was going through this code in Matlab Help regarding constructing a Bspline :-
t = [0.1 0.4 0.5 0.8 0.9];
a = 1;
fnplt(spmak(t,a));
tmp = repmat(t,3,1);
ty = repmat(.1*[1;-1;NaN],1,5);
hold on
plot(tmp(:),ty(:))
text(.65,.5,'B( \cdot | .1, .4, .5, .8, .9)','FontSize',12)
text(.05,1.,'s(x) = \Sigma_j B( x | t_j , \ldots, t_{j+k} ) a(:,j)', ... 'FontSize',16,'Color','r')
axis([0 1 -.2 1.2])
title('A B-spline of Order 4')
hold off
I want to ask why "repmat" function is used in the code when "spmak" should inculcate the iterative measure of calculating the Bspline. Which is function should be used for constructing Bspline like spmak,spapi,bspline etc?
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