Find a basis for the subspace W in Exercise 25. What is the dimension of this subspace?

Data from in Exercise 25

Let

where r can be any real number. A typical signal in W looks like

Show that W is a subspace of S.

Transcribed Image Text:

0 if k is a multiple of 2 W = = = { {{xx} [pok r f if k is not a multiple of 2