Matlab Summation Cosine Sine operator

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nullpointer
nullpointer el 27 de Feb. de 2015
Comentada: nullpointer el 27 de Feb. de 2015
Hi all,
i have been looking at this matlab equation for sometime. I do not understand the sum operation used here. It is used to sum the sin for array b? Likewise for cos?
a = atan2(sum(sin(b)),sum(cos(b)))/2/k;

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Mischa Kim
Mischa Kim el 27 de Feb. de 2015
Correct. b is an array (e.g. vector). The command applies the sine to all the components of b and then sums all those sine terms. Same is true for the cosines.

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