Question

What is $\frac{dc}{dt}$ where $c(t) = (S\circ q)(t)$ for $S$ a surface and $q$ a plane curve?

score 31 · Answer 1 · 2021-04-04 21:35:53

31

Views

What is $\frac{dc}{dt}$ where $c(t) = (S\circ q)(t)$ for $S$ a surface and $q$ a plane curve?

Published on 04 Apr 2021 - 21:35

score 41 · Answer 2 · 2021-04-07 01:40:17

41

Views

Limit of Composition of Functions (Vacuous - Exception)

Published on 07 Apr 2021 - 1:40

score 272 · Answer 3 · 2021-04-07 20:55:32

272

Views

Number of functions such that $f(f(f(x)))=f(f(x))$

Published on 07 Apr 2021 - 20:55

score 32 · Answer 4 · 2021-04-09 13:30:03

32

Views

Function composition not equal to manual derivation using chain rule

Published on 09 Apr 2021 - 13:30

score 110 · Answer 5 · 2021-04-10 07:49:15

110

Views

When can composition be applied to two relations/functions? Exercise 4.2.15 - How to prove it

Published on 10 Apr 2021 - 7:49

score 17 · Answer 6 · 2021-04-15 01:25:32

17

Views

The Domain and range of functions

Published on 15 Apr 2021 - 1:25

score 158 · Answer 7 · 2021-04-15 22:38:59

158

Views

Suppose $f$ and $g$ are both functions from $A$ to $A$. If $f \circ f = g \circ g$, does it follow that $f = g$?

Published on 15 Apr 2021 - 22:38

score 74 · Answer 8 · 2021-04-17 15:17:26

74

Views

If $g\circ f$ is onto, and $g$ is into, is true that $f$ is onto?

Published on 17 Apr 2021 - 15:17

score 111 · Answer 9 · 2026-03-27 16:47:16

111

Views

Given that ◦ is a bijection, prove that itself must be a bijection

Published on 27 Mar 2026 - 16:47

score 137 · Answer 10 · 2021-04-28 18:30:34

137

Views

Assume that $f:\mathbb{R}→\mathbb{R}$ is a Lipschitz function. Prove that if $g_n→g$ uniformly, then $f\circ g_n→f\circ g$ uniformly.

Published on 28 Apr 2021 - 18:30

score 25 · Answer 11 · 2021-05-10 18:13:41

25

Views

For a fundraiser, there is a raffle with 50 tickets. One ticket will win a $190

Published on 10 May 2021 - 18:13

score 182 · Answer 12 · 2021-05-13 10:35:12

182

Views

Do fog and gof uniquely determine f and g?

Published on 13 May 2021 - 10:35

score 64 · Answer 13 · 2021-05-17 11:41:24

64

Views

If $\operatorname{Ker}(T^k)=\operatorname{Ker}(T^{k+1})$ then in fact $\operatorname{Ker}(T^{k+c})=\operatorname{Ker}(T^k)$

Published on 17 May 2021 - 11:41

score 79 · Answer 14 · 2026-03-30 08:17:47

79

Views

Calculate the composition $V\overset{ιV}{\mapsto}V^{**}\overset{α^T_B}{→}V^∗$ with $B:V\times V\to F$ be a bilinear map.

Published on 30 Mar 2026 - 8:17

score 34 · Answer 15 · 2021-05-25 20:42:48

34

Views

How to make a composite function out of 2 vector fields?

Published on 25 May 2021 - 20:42

List Question

What is $\frac{dc}{dt}$ where $c(t) = (S\circ q)(t)$ for $S$ a surface and $q$ a plane curve?

Limit of Composition of Functions (Vacuous - Exception)

Number of functions such that $f(f(f(x)))=f(f(x))$

Function composition not equal to manual derivation using chain rule

When can composition be applied to two relations/functions? Exercise 4.2.15 - How to prove it

The Domain and range of functions

Suppose $f$ and $g$ are both functions from $A$ to $A$. If $f \circ f = g \circ g$, does it follow that $f = g$?

If $g\circ f$ is onto, and $g$ is into, is true that $f$ is onto?

Given that ◦ is a bijection, prove that itself must be a bijection

Assume that $f:\mathbb{R}→\mathbb{R}$ is a Lipschitz function. Prove that if $g_n→g$ uniformly, then $f\circ g_n→f\circ g$ uniformly.

For a fundraiser, there is a raffle with 50 tickets. One ticket will win a $190

Do fog and gof uniquely determine f and g?

If $\operatorname{Ker}(T^k)=\operatorname{Ker}(T^{k+1})$ then in fact $\operatorname{Ker}(T^{k+c})=\operatorname{Ker}(T^k)$

Calculate the composition $V\overset{ιV}{\mapsto}V^{**}\overset{α^T_B}{→}V^∗$ with $B:V\times V\to F$ be a bilinear map.

How to make a composite function out of 2 vector fields?

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