Question

Let $X$ and $Y$ be points contained in the disk of radius $r$ around the point P. Explain why $d(X, Y) \leq 2r$.

score 73 · Answer 1 · 2026-04-16 20:35:32

73

Views

Let $X$ and $Y$ be points contained in the disk of radius $r$ around the point P. Explain why $d(X, Y) \leq 2r$.

Published on 16 Apr 2026 - 20:35

score 88 · Answer 2 · 2026-04-15 19:27:14

88

Views

How Bessel's inequality ensures the convergence of a sequence in this proof

Published on 15 Apr 2026 - 19:27

score 245 · Answer 3 · 2026-05-14 07:40:11

245

Views

Need for left limits in Stochastic Calculus theorems

Published on 14 May 2026 - 7:40

score 3.2k · Answer 4 · 2026-04-16 14:46:11

3.2k

Views

What is the probablity that the sum of two dice is 4 or 6?

Published on 16 Apr 2026 - 14:46

score 139 · Answer 5 · 2026-04-14 22:30:37

139

Views

Why is $x^T(A^Ty)=(Ax)^Ty$?

Published on 14 Apr 2026 - 22:30

score 130 · Answer 6 · 2026-05-10 20:52:23

130

Views

Expressing a presheaf as a colimit of representables

Published on 10 May 2026 - 20:52

score 94 · Answer 7 · 2026-05-11 05:29:06

94

Views

Prove that $\mu^*$ restricted to $\mathcal{B}(X)$ is a measure on $\mathcal{B}(X)$.

Published on 11 May 2026 - 5:29

score 740 · Answer 8 · 2026-04-15 11:44:58

740

Views

Derivation of within point scatter $W(C)$

Published on 15 Apr 2026 - 11:44

score 757 · Answer 9 · 2026-04-12 10:31:33

757

Views

Proof that every codeword of binary self-orthogonal linear code has even weight

Published on 12 Apr 2026 - 10:31

score 68 · Answer 10 · 2026-04-28 12:20:10

68

Views

Why can't we prove that $X= f^{-1}(f(X))$ in general?

Published on 28 Apr 2026 - 12:20

score 75 · Answer 11 · 2026-04-09 08:51:41

75

Views

problem 2-23 calculus on manifolds. Help understanding solution

Published on 09 Apr 2026 - 8:51

score 70 · Answer 12 · 2026-04-24 19:24:31

70

Views

Every finite diagram in a filtered category has a cocone

Published on 24 Apr 2026 - 19:24

score 85 · Answer 13 · 2026-04-28 13:52:52

85

Views

How does $0 < 1/j$ and $1/k < 1/N$ imply that $| 1/j - 1/k | \leq 1/N$?

Published on 28 Apr 2026 - 13:52

score 571 · Answer 14 · 2026-04-15 06:13:18

571

Views

If $f$ is continuous on a closed set in $R^1$, then is $g$ also continuous on that closed set given that $f(x)= g(x)$ for all points on that set

Published on 15 Apr 2026 - 6:13

score 142 · Answer 15 · 2026-04-28 15:09:39

142

Views

$X = f^{-1}(f(X))$ if and only if $X = f^{-1}(Z)$ for some $Z \subseteq B$

Published on 28 Apr 2026 - 15:09

List Question

Let $X$ and $Y$ be points contained in the disk of radius $r$ around the point P. Explain why $d(X, Y) \leq 2r$.

How Bessel's inequality ensures the convergence of a sequence in this proof

Need for left limits in Stochastic Calculus theorems

What is the probablity that the sum of two dice is 4 or 6?

Why is $x^T(A^Ty)=(Ax)^Ty$?

Expressing a presheaf as a colimit of representables

Prove that $\mu^*$ restricted to $\mathcal{B}(X)$ is a measure on $\mathcal{B}(X)$.

Derivation of within point scatter $W(C)$

Proof that every codeword of binary self-orthogonal linear code has even weight

Why can't we prove that $X= f^{-1}(f(X))$ in general?

problem 2-23 calculus on manifolds. Help understanding solution

Every finite diagram in a filtered category has a cocone

How does $0 < 1/j$ and $1/k < 1/N$ imply that $| 1/j - 1/k | \leq 1/N$?

If $f$ is continuous on a closed set in $R^1$, then is $g$ also continuous on that closed set given that $f(x)= g(x)$ for all points on that set

$X = f^{-1}(f(X))$ if and only if $X = f^{-1}(Z)$ for some $Z \subseteq B$

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