- #1
transgalactic
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- 0
x=a1,b1,c1
y=a2,b2,c2
<x,y>+<x,y>= (a1*a2 +b1*b2 +c1*c2) + (a1*a2 +b1*b2 +c1*c2)=2*(a1*a2 +b1*b2 +c1*c2)
i have <x,y> + <x,y> it written that it equals
2Re<x,y>
what 2Re<x,y> means ??
y=a2,b2,c2
<x,y>+<x,y>= (a1*a2 +b1*b2 +c1*c2) + (a1*a2 +b1*b2 +c1*c2)=2*(a1*a2 +b1*b2 +c1*c2)
i have <x,y> + <x,y> it written that it equals
2Re<x,y>
what 2Re<x,y> means ??