MathAlgebraLinear algebraVectors and vector spaces

Vector norm and distance between vectors

Minmax

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We have a set of vectors (x1,x2,x3,x4)(\vec{x}_{1}, \vec{x}_{2}, \vec{x}_{3}, \vec{x}_{4}) with coordinates in the Cartesian coordinate system.

x1=(1,2,3,4)x2=(3,2,2,1)x3=(3,0,3,2)x4=(4,4,0,0)\vec{x}_{1}=(1, 2, 3, 4)\\ \vec{x}_{2}=(3, 2, 2, 1)\\ \vec{x}_{3}=(3, 0, 3, 2)\\ \vec{x}_{4}=(4, 4, 0, 0)

Find vectors with a maximal and a minimal Euclidean norm within the set. Put the indices of the corresponding vectors as an output, where first comes a vector with the greatest norm.

You should enter two indices separated by space. For example, if the norm of x1\vec{x}_{1} is the largest and the norm of x2\vec{x}_{2} is the smallest, then enter 1 2 as your answer.

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