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Math 4A Worksheet 1.3 Vector Equations - UC Santa Barbara

n is the vector y deﬁned by y= w1v1 +w2v2 + +w nv n: That is, it’s a sum of multiples of the vectors. Geometrically, it corresponds to stretching each vector v i (where i is one of 1;2;:::;n) by the weight w i, then laying them end to end and drawing y to the endpoint of the last vector. 1 Compute the following linear combinations: (a) " 1 ...