上海文通大粤 Vector manipulations SHANGHAI JIAO TONG UNIVERSITY Vector Magnitude Head Magnitude (terminus) Direction Tail (origin) Vector can be represented Graphically R=R,i+R,J R=R,+jR Analytically R=[R,R,T R-Rei=R(cos0+jsine)Vector manipulations Vector Head Magnitude Direction Magnitude (terminus) Tail ( ii) V t b td (origin ) Vec tor can be represen t e d Graphically R = + Ri R j R x y R = + jR R = + Ri R j x y Analytically x y j ( i) jθ θ θ [ ] T R = R x y R R e (cos s i n ) j R j θ R = = + θ θ