- #1
- 1,015
- 3
Can I expand a function in
[tex]f(x)=\sum_k g_k(x\cdot k)[/tex]
where g is a periodic function that is not an exponential?
So
[tex]g_k(a)=g_k(a+1)[/tex]
What if there doesn't necessarily have to be a back transformation or if the expansion doesn't have to be unique?
[tex]f(x)=\sum_k g_k(x\cdot k)[/tex]
where g is a periodic function that is not an exponential?
So
[tex]g_k(a)=g_k(a+1)[/tex]
What if there doesn't necessarily have to be a back transformation or if the expansion doesn't have to be unique?