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Luxe
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Homework Statement
Linear Algebra:
For all the unit vectors u=[x,y,z]^T in R^3. Find the one for which the sum x+8y+2z is minimal. (u is a 3 x 1 vector)
Homework Equations
The Attempt at a Solution
I tried working this with the least squares method...it wasn't right. I am probably overthinking this.
Any help is appreciated! :)