Midterm 2021-exo 3.2

Re: Midterm 2021-exo 3.2

by Thomas Weinberger -
Number of replies: 0
Hi Marina,

Because for m = -1 and all n, we have that a_{m,n}=0, hence f_{-1}=\sum_{m \geq -1}\sum_n a_{m,n}\psi_{m,n}=\sum_{m \geq 0}\sum_n a_{m,n}\psi_{m,n}=f_{0}, see the sample solution.

Best,
Thomas