Resulting vector and angle from two vectors

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Anna 2017-5-7

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回答： Star Strider 2017-5-7

Hi,

I have two vectors U and V with wind velocities. V is positive from south to north, and U is positive from west to east. I am wondering if there is a good way in matlab to combine these two vectors in order to get the resulting vector and angle in a 360 degree order where 0 is due north?

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Answer 1

Star Strider 2017-5-7

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在 MATLAB Online 中打开

You’ve not provided enough information to write a specific Answer.

I have no idea what your data are, so this is purely a guess:

u = sind(135+90);
v = cosd(135-90);
anglq = atan2d(u,v);                                    % Angle Corrected For Quadrant
Angles360 = @(a) rem(360+a, 360);                       % For ‘atan2d’
angl360 = Angles360(anglq);

I’ll delete my Answer if I guessed wrong and this is wildly off-the-mark.