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plus-minus function

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Sean Smith
Sean Smith 2011-9-30
回答： Selvakumar 2023-8-23
How would I do the function
Y=B/2*(1-(4*X.^2)/L^2)*(1-Z.^2/D^2);
but before the B i need a plus and minus sign so the variable Y has all the values for positive and negative

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采纳的回答

Honglei Chen
Honglei Chen 2011-9-30
Hi Sean,
You can do something like
Y=B/2*(1-(4*X.^2)/L^2)*(1-Z.^2/D^2);
Y = [Y -Y];
HTH

更多回答（1 个）

Selvakumar
Selvakumar 2023-8-23
X=B−√B2+16A2A

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