Here's a homework question:
Let ${u_1, \ldots, u_n}$ be an ONB in $C^n$. Assuming that $n$ is even, compute
$$||u_1 - u_2 + u_3 -\cdots - u_n||$$
I have no idea how to solve this. Can anyone help?
Thanks.
Here's a homework question:
Let ${u_1, \ldots, u_n}$ be an ONB in $C^n$. Assuming that $n$ is even, compute
$$||u_1 - u_2 + u_3 -\cdots - u_n||$$
I have no idea how to solve this. Can anyone help?
Thanks.