- #1
matlabber
- 13
- 0
"Proof Beyond Scope of Course"
[tex] \frac{1}{M}\sum_{j=1}^{M}\cos(mx_{j})=[/tex]\begin{cases} 1, & \ m \equiv 0\pmod{M}\\ 0, & \text{else} \end{cases}
is statement truthfully accurate? how to show this?
Homework Statement
[tex] \frac{1}{M}\sum_{j=1}^{M}\cos(mx_{j})=[/tex]\begin{cases} 1, & \ m \equiv 0\pmod{M}\\ 0, & \text{else} \end{cases}
Homework Equations
The Attempt at a Solution
is statement truthfully accurate? how to show this?