Hiy guys,

Could anyone help me with this vector prob..

if u1 is acolumnvector [1 2]

w1 = u1/|u1| =1/ √5 * column vector [1 2]

My question is ,where do we get the1from?

Do we always just put one over the modulus of the vector ?

Thanks and any help will be appreciated.

Cheers,

Amazedxxx :)