@ashish_ui hey @ashish_ui for ur help in leetcode discussion for the ternary operation srry its a binary operations ididnt see ur reply thanks for the resource
@oprydai U taught me my Signal processing course and yeah I agree our mid sem had convolution it was tough then we saw FT bro why did they do us like that.
the fourier transform is how you see structure inside signals
time domain lies to you
frequency domain exposes it
any signal → sum of pure oscillations
sines and cosines are the basis
what it does:
→ decomposes a function into frequencies
→ tells you “what frequencies exist” and “how strong they are”
continuous form: F(ω) = ∫ f(t) e^(−iωt) dt
discrete world:
→ DFT / FFT
→ turns sampled data into usable spectra
why it matters:
in engineering:
→ filter noise
→ design communication systems
→ analyze vibrations, audio, RF
in physics:
→ waves, heat, quantum states
→ solutions become algebra in frequency space
in computing:
→ image compression (JPEG)
→ signal processing pipelines
→ fast convolution via frequency multiplication
key idea:
→ convolution in time = multiplication in frequency
→ complexity collapses
interpretation:
→ sharp spikes → dominant frequencies
→ spread spectrum → complex / noisy signal
the fourier transform is not about math
it’s about changing perspective to make systems tractable
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What should I do with accounts on LinkedIn, Instagram or Facebook that post my pictures and contents without credit?
This is not the first time.
Should I ignore or reach out?
there is something called promoting dtypes in C++ i didnt know and i am testing cases randomly if i knew about it , it would be great but where can i even learn this besides actually coming across them while doing stuff myself (seriously if any resources and ahh
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