3D Vector
Specifies a direction and a magnitude
- Represented by three coordinates
- Magnitude ||V|| = sqrt(dxdx + dydy + dzdz)
- Has no location
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Dot product of two 3D vectors
- V1·V2 = dx1dx2 + dy1dy2 + dz1dz2
- V1·V2 = ||V1 || || V2 || cos(Q)
typedef struct {
Coordinate dx;
Coordinate dy;
Coordinate dz;
} Vector;