Question

a) Determine the matrix of the change of basis of Kn, if the old basis is...

a) Determine the matrix of the change of basis of Kn, if the old basis is the Standard basis (e1, ..., en) and the new base is: (en, en-1, ..., e1).

b) Determine the matrix, which describes the changement from the old basis (e1, e2) of K2, to the new basis: (e1 + e2, e1 - e2).

Homework Answers

Answer #1

part(a) the standard basis ={e1,e2,.......,en} where e1=(1,0,0,....0) e2=(0,1,0,0....0).......en=(0,0,0.......1)

and the new basis={en,en-1,......,e1)

we have to find the matrix by the given basis

let T be the transformation st T(e1)=en=(0,0,0.....,1)

T(e2)=en-1=(0,0,0.......,1,0)

...................T(en)=e1=(1,0,0......0)

hence we get the matrix A=

PART(B) here we have given that old basis ={e1,e2}={(1,0),(0,1)}

and the new basis={e1+e2,e1-e2}

hence we define here T(e1)=e1+e2

and T(e2)=e1-e2

hence we get the matrix A=

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