Example: biology
2a1vectoralgebraandcalculus
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2A1VectorAlgebraandCalculus - University of Oxford
www.robots.ox.ac.uk1.1. VECTORS 7 k i j a a−b b a+b a+b c b a b+c c (a) (b) Figure 1.3: (a) Addition of two vectors is commutative, but subtraction isn’t. Note that the coordinate frame is irrelevant.