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Mar
11
answered Distance between point and line in $\mathbb{R}^{3}$
Mar
11
revised Distance between point and line in $\mathbb{R}^{3}$
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Mar
11
suggested approved edit on Distance between point and line in $\mathbb{R}^{3}$
Feb
21
revised Exponential function and matrices
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21
suggested approved edit on Exponential function and matrices
Feb
19
comment Cleaning a signal and computing period
@leonbloy: You're right. The solution I proposed is arguably ugly, but implementable using analog electronics. It's how digital signals are regenerated (if I remember my communication systems classes properly).
Feb
19
comment Cleaning a signal and computing period
@leonbloy: It's hard to implement a median filter using analog electronics, though.
Feb
19
revised Cleaning a signal and computing period
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Feb
19
answered Cleaning a signal and computing period
Dec
23
revised $N \equiv 3 (\textrm{mod } 4)$ and Collatz conjecture
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Dec
10
revised Notes for Beginner Fourier Analysis?
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Dec
10
answered Notes for Beginner Fourier Analysis?