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Vector columns

how do u find the magnitude of a vector ?
Original post by Shenalie Perera
how do u find the magnitude of a vector ?


Pythagoras' Theorem extended to higher dimensions.

An arbitrary vector v=[a1a2a3...an]\mathbf{v}=\begin{bmatrix} a_1 \\ a_2 \\ a_3 \\ . \\ . \\ . \\ a_n \end{bmatrix} has magnitude v=(a1)2+(a2)2+(a3)2+...+(an)2\lvert \mathbf{v} \lvert = \sqrt{(a_1)^2+(a_2)^2+(a_3)^2+...+(a_n)^2}
Thanks I got it

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