How can I get the Y value at once?

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민제 강
민제 강 2021-7-13
回答： Image Analyst 2021-7-13
function Y = objectivefunction (X)
x1 = ;
x2 = ;
x3 = ;
x4 = ;
Y = x1*x4*[x1+x2+x3]+x3;
end
There are 20 x1, x2, x3 and x4 respectively.
I want to get 20 Y value.
I want to import data through Excel or Table.
Please let me know. Thank you.

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采纳的回答

Image Analyst
Image Analyst 2021-7-13
Did you try this:
t = readtable('x1x2x3x4.xlsx')
x1 = t.x1;
x2 = t.x2;
x3 = t.x3;
x4 = t.x4;
Y = x1 .* x4 .* (x1 + x2 + x3) + x3;

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