what code could possibly solve this problem?

2021 3 10
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KSSV
KSSV 2021-3-10
编辑：KSSV 2021-3-10

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You need to put a closed bracket at the end ')' in the last term.
yy.data(:,4) * (yy.data(:,4))
But I suspect, there will be error in multiplication. You need to use
yy.data(:,4) .* yy.data(:,4)
Or
yy.data(:,4).^2

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andrew brown
andrew brown 2021-3-10
actually, it was reported that the marix multiplication would not be possible, since its a 396x4 matrix. Seeking the appropriate way to create a column (from formular shown in image) for each row!
andrew brown
andrew brown 2021-3-10
编辑：andrew brown 2021-3-10
yy.data(:,4).^2 is working but not giving the desired outcome. Row one should be (1 - 0.52 - 0.14 - 0.11 = a, therefore, yy.data(1,5) should be = a X 0.11 = 0.0253. But, I am receiving 0.3279.
Any code I can use for this?
Thank you!

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