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translate equation to matlab code

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Or Peer
Or Peer on 16 May 2019
Commented: David Goodmanson on 17 May 2019
hellow I would like to translate this equation to matlab code, I am new to matlab language and syntax and would very much appreciate help.
  1 Comment
David Goodmanson
David Goodmanson on 17 May 2019
Hi Or,
If you are doing this numerically, as you probably already know, N = [1 2 3] creates a row vector, N = [1; 2; 3] creates a column vector.
Dot and cross functions are available in Matlab, see 'doc dot' and 'doc cross'. The cross function outputs a column vector if both inputs are column vectors, and a row vector otherwise.

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Accepted Answer

Jon Wieser
Jon Wieser on 16 May 2019
s2_hat= n1/n2*(N_hat*(-N_hat*s1_hat))-N_hat*sqrt(1-(n1/n2)^2*(N_hat*s1_hat)*(N_hat*s1_hat))

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