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Hyperbolic PDE friend's user avatar
Hyperbolic PDE friend's user avatar
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Hyperbolic PDE friend
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12
If $f$ has 3 zeros, then $\exists x_0: f''(x_0)=0$
11
Why does the plot of $f(x)=|\cos x|-|\sin x|$ look almost piecewise linear?
8
Base of vector space $C([a,b], f)$
7
Uniformly convergent on compact interval
5
Alternative proof that the sum of two convergent series is convergent