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Mathematics
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Dianafreedom's user avatar
Dianafreedom's user avatar
Dianafreedom
  • Member for 8 years, 4 months
  • Last seen more than a week ago
  • Shanghai, China
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Thanks to my doggie for taking me here.

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Top posts
question
7
When are $\beta_1, \beta_2, \ldots, \beta_n$ linear independent?
Oct 27, 2016
question
0
Evaluating $\iint_\Sigma \lvert xyz\rvert dS$
May 9, 2016
question
0
Does the derivative function integrable if it equals to 0 a.s. in an inclusive range? [closed]
Jun 4, 2019
question
0
Will $X_{p*n}X_{n*p}'$ be more likely to be invertible when n gets large enough?
Oct 27, 2019
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5
What is the meaning of this analogy about mountains and lakes?