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Mathematics
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daw

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 4 years, 11 months
  • 1,707 profile views
  • Last seen 14 mins ago

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Top Posts (977) All Questions Answers | Votes Newest

18 Inner product on $C(\mathbb R)$ May 30 '14
12 Using the Bolzano's theorem to prove that exists only one solution in the interval. Jun 16 '14
12 How to show that $A^2=AB+BA$ implies $\det(AB-BA)=0$ for $3\times3$ matrices? Jan 26 '15
10 Proving or disproving A+B is invertible Oct 14 '14
10 Prove set $\left\{(x,y)\in\mathbb R^{2} : \frac{x^2}{4}+\frac{y^2}{9}<1\right\}$ is open Aug 13 '15
9 Ensuring that a symmetric matrix with nonnegative elements is positive semidefinite May 7 '15
8 How to show that this bounded linear operator is onto? Aug 11 '16
8 Projection of $z$ onto the affine set $\{x\mid Ax = b\}$ Jun 10 '15
8 Rank of transformation $Y=AX-XA$ Jul 7 '14
7 How to show a space is not reflexive? Mar 30 '17
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