x1=[1 2 1]; y1=[1 2 2 4 5 6 6 8];
Make function for weighted moving average.
z(i)=(x1(i)*y1(i)+x1(i+1)*y1(i+1)+x1(i+2)*y1(i+2))/3
As a result,
z =
2.3333 3.3333 5.0000 6.6667 7.6667 8.6667
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