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%  matlab

%  ÏòÁ¿aºÍb
va = [sqrt(3),1,0]
vb = [sqrt(3),0,0]

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cc = cross(va,vb)

%  Á½ÏòÁ¿µÄ³¤
maga = sqrt(dot(va,va))
magb = sqrt(dot(vb,vb))

%  ÏòÁ¿bÔÚÏòÁ¿aÉϵÄͶӰ³¤¶È
bb = dot(va,vb)/maga

%  ÏòÁ¿aÔÚÏòÁ¿bÉϵÄͶӰ³¤¶È
aa = dot(va,vb)/magb

%  ÐéÄâͬÃæ»ý¾ØÐεĸß
hb = abs(cc)/bb
ha = abs(cc)/aa

%  ¼Ð½Ç
dthetb = atan(abs(cc)/bb^2)*180/pi
dtheta = atan(abs(cc)/aa^2)*180/pi

%  ¼Ð½Ç
thet = acos(bb/magb)*180/pi
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