Question

Undecidable problems involving elementary functions

score 99 · Answer 1 · 2016-03-15 13:05:47

Undecidable problems involving elementary functions

Published on 15 Mar 2016 - 13:05

score 134 · Answer 2 · 2016-03-20 10:26:17

Can a change of variable result in the evaluation of an integral in terms of elementary functions, whereas before the c.o.v. this was not possible?

score 52 · Answer 3 · 2016-04-09 21:08:20

52

Views

My brain doesn't work right now: What's the formula for the $n$th vertex of a discretized sine wave?

Published on 09 Apr 2016 - 21:08

score 546 · Answer 4 · 2016-04-15 09:30:35

546

Views

Are there some techniques which can be used to show that a sum "does not have a closed form"?

Published on 15 Apr 2016 - 9:30

score 317 · Answer 5 · 2016-04-21 04:37:03

317

Views

Finding equivalence classes in a set of functions with a condition

Published on 21 Apr 2016 - 4:37

score 47 · Answer 6 · 2016-04-30 08:04:50

47

Views

Methods to find $f$, given the functions $f \circ g$ and $g$

Published on 30 Apr 2016 - 8:04

score 96 · Answer 7 · 2016-05-02 08:16:40

96

Views

Under certain conditions $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=\frac{1}{a'}+\frac{1}{b'}+\frac{1}{c'}\Rightarrow \{a,b,c\}=\{a',b',c'\}$

Published on 02 May 2016 - 8:16

score 392 · Answer 8 · 2016-05-10 22:31:28

392

Views

Any smoother version of the exponential function?

Published on 10 May 2016 - 22:31

score 618 · Answer 9 · 2016-05-14 01:33:23

618

Views

Elementary Functions, Differentiation, Integration

Published on 14 May 2016 - 1:33

score 845 · Answer 10 · 2016-05-14 21:48:48

845

Views

Prove: the cardinality of the set (A-B) is less than or equal to the cardinality of A

Published on 14 May 2016 - 21:48

score 27 · Answer 11 · 2016-05-19 12:38:27

How do i calculate a general solution for when its better to increase the base number or the % increase in this game i am playing

score 791 · Answer 12 · 2016-05-21 23:59:24

791

Views

Prove $n < 2^n$ for all $n \geq 0$ using induction.

Published on 21 May 2016 - 23:59

score 35 · Answer 13 · 2016-05-22 18:26:29

35

Views

How to show that: $\log_a (x^{a}-x)-\log_a \Big(\dfrac{x^{a}-x}{a}\Big)=1$, where $a$ and $x$ are positive integers.

Published on 22 May 2016 - 18:26

score 40 · Answer 14 · 2016-05-23 00:45:50

40

Views

A surjection from three countably infinite subsets of the natural numbers?

Published on 23 May 2016 - 0:45

score 185 · Answer 15 · 2016-05-24 17:48:15

185

Views

Set builder notation with $\land$?

Published on 24 May 2016 - 17:48

List Question

Undecidable problems involving elementary functions

Can a change of variable result in the evaluation of an integral in terms of elementary functions, whereas before the c.o.v. this was not possible?

My brain doesn't work right now: What's the formula for the $n$th vertex of a discretized sine wave?

Are there some techniques which can be used to show that a sum "does not have a closed form"?

Finding equivalence classes in a set of functions with a condition

Methods to find $f$, given the functions $f \circ g$ and $g$

Under certain conditions $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=\frac{1}{a'}+\frac{1}{b'}+\frac{1}{c'}\Rightarrow \{a,b,c\}=\{a',b',c'\}$

Any smoother version of the exponential function?

Elementary Functions, Differentiation, Integration

Prove: the cardinality of the set (A-B) is less than or equal to the cardinality of A

How do i calculate a general solution for when its better to increase the base number or the % increase in this game i am playing

Prove $n < 2^n$ for all $n \geq 0$ using induction.

How to show that: $\log_a (x^{a}-x)-\log_a \Big(\dfrac{x^{a}-x}{a}\Big)=1$, where $a$ and $x$ are positive integers.

A surjection from three countably infinite subsets of the natural numbers?

Set builder notation with $\land$?

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