If you have any questions, please ask. I love yapping.
yap
Let's say we have some periodic function f. The goal is to represent it as a bunch of sine waves. This is called a Fourier series (FS).
The FS coefficients are given by
⌠2⋅π
1 ⎮ -i⋅k⋅x
f̂(k) = ─── ⎮ f(x)⋅e dx
2⋅π ⌡0
for whole numbers k. We can then approximate the original function with
n
___
╲ -i⋅k⋅x
╱ f̂(k)⋅e
‾‾‾
k = -n
and make the approximation better by making n larger.
For non-periodic functions, we can still get an approximation! The Fourier Transform (FT) uses a continuous range of frequencies instead of whole numbers, and the sum is replaced by an integral (the inverse FT).
FT's are used everywhere, for example in signal processing and spectroscopy. If a recording contains an annoying high-pitched noise, we can apply the FT and filter the unwanted frequencies. Spectroscopy separates light into its different wavelengths. By comparing the resulting spectral lines with known measurements, we can determine which elements and molecules are present in stars and planets, for example.
idk what more to add ._.
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traaaaaaannnnnnnnnns
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afaik this has only happened twice in the trans mega (and i'm pretty positive those were a single wrecker that was posting weird struggle bait over the site on different accounts then deleting their accounts after a fair amount of engagement) and the mods acted swiftly to ban them once they were reported
Are we talking about the same events from this past week-ish?
i think so unless i missed something or other incidents
Ok, just checking cause I wouldn’t have guessed that those were the same person (not saying you’re wrong).
i could definitely be wrong but i do think our c/traaa mods are really good at keeping us safe from these things when they happen. although maybe having more (very site active) mods on deck to have a quicker response time would help even more so
The mods here are good :)