User Sam

7 votes

2 answers

7k views

What is a "Contour Integral" and how do I evaluate one?

asked Aug 11, 2015 at 4:44

6 votes

3 answers

7k views

What is a "lattice" in set theory??? [closed]

asked Feb 8, 2016 at 23:59

6 votes

1 answer

392 views

How to find a solution for the functional equation $\phi(f(x))=f'(x)\phi(x)$?

asked Jan 9, 2017 at 20:45

6 votes

3 answers

3k views

"Taylor Series" analog for functionals?

asked Mar 28, 2018 at 2:43

5 votes

2 answers

279 views

How to get sums like these in the form of the Cauchy Product?

asked Jan 28, 2018 at 17:49

4 votes

3 answers

549 views

Expressing points in fractional dimensions?

asked Dec 11, 2017 at 17:16

4 votes

1 answer

174 views

How to calculate this definite integral: $\int_{0}^{2} x^x dx$???

asked Apr 16, 2016 at 21:03

4 votes

1 answer

405 views

When $x=2$ in the infinitely continued fraction $x+\frac{1}{x^2+\frac{1}{x^3+\ldots}}$, what algebraic value does it converge to?

asked Aug 15, 2015 at 0:21

3 votes

1 answer

118 views

How could I solve $x^{t-1}e^{-x} = a$ for $x$?

asked Jul 19, 2015 at 2:39

3 votes

1 answer

72 views

Is this derivative thing I found a defined mathematical concept? If so, what is it called?

asked Sep 23, 2015 at 2:56

3 votes

3 answers

267 views

How to interpret the plot of a function of a complex variable?

asked Nov 5, 2015 at 23:20

3 votes

3 answers

1k views

So there's addition, multiplication, exponentiation and tetration, but is there a level before addition? [duplicate]

asked Nov 20, 2015 at 20:34

3 votes

2 answers

294 views

Integrate the square root of the ratio of two quadratic polynomials

asked Jan 3, 2016 at 23:52

2 votes

2 answers

94 views

Is there a concrete definition/formula for finding the leading coefficient of any polynomial?

asked Jan 23, 2016 at 16:29

2 votes

1 answer

175 views

What is the solution of $a^b=a+b$ in terms of $a$?

asked Aug 3, 2015 at 16:23

2 votes

3 answers

3k views

What do these symbols mean: $\bigcap$, $\bigcup$, $\bigwedge$, $\bigvee$?

asked Jan 27, 2016 at 14:13

2 votes

1 answer

3k views

Formula for finding the nth number in this sequence: $[0, 1, 3, 11, 50, 274...]$?

asked Mar 30, 2016 at 1:02

2 votes

0 answers

413 views

Kth derivative of the nth iterate of a function evaluated at a fixed point $a$?

asked Dec 22, 2016 at 22:02

2 votes

0 answers

49 views

How is this equation derived?

asked Oct 26, 2017 at 22:28

1 vote

1 answer

39 views

Interpolation of a set of $(x, y)$ coordinates using a parametrization $(x(t), y(t))$ where $0\leq t \leq1$?

asked Dec 13, 2016 at 20:56

1 vote

2 answers

85 views

Find "$g(x)$" knowing that "$x=\int_{0}^{\infty} g(tx) dt$"???

asked Apr 25, 2016 at 1:36

1 vote

1 answer

66 views

Evaluating the limit of this complicated sum?

asked Mar 14, 2017 at 15:36

1 vote

2 answers

591 views

Surface Area of the unit sphere in the region bounded by three vectors?

asked Apr 18, 2017 at 15:10

1 vote

4 answers

9k views

What is the polar formula for $y=x$?

asked Jan 30, 2016 at 2:50

1 vote

0 answers

76 views

Are there any online sources/books that could help me further study set theory?

asked Mar 3, 2016 at 17:31

1 vote

1 answer

204 views

What is the Indefinite Integral of $f(x)=x^x$? [duplicate]

asked Aug 21, 2015 at 7:34

0 votes

2 answers

360 views

If $x=r\cos(\theta)$ then in $?=r\cos(\theta+a)$ what is $?$ equal to?

asked Jan 27, 2016 at 0:40

0 votes

3 answers

102 views

What is $\sin(1+\sin(1+\sin(1+\sin(1+\cdots))))$(in radians)?

asked Feb 17, 2016 at 1:12

0 votes

2 answers

92 views

If $f(x)+g'(x)=g(x)+f'(x)$ is there any way to find what "$f(x)$" could be (without having $f'(x)$)?

asked Feb 21, 2016 at 3:10

0 votes

1 answer

79 views

Clarification about the definition for polynomial discriminant?

asked Feb 21, 2016 at 17:40

Stack Exchange Network

34 Questions

What is a "Contour Integral" and how do I evaluate one?

What is a "lattice" in set theory??? [closed]

How to find a solution for the functional equation $\phi(f(x))=f'(x)\phi(x)$?

"Taylor Series" analog for functionals?

How to get sums like these in the form of the Cauchy Product?

Expressing points in fractional dimensions?

How to calculate this definite integral: $\int_{0}^{2} x^x dx$???

When $x=2$ in the infinitely continued fraction $x+\frac{1}{x^2+\frac{1}{x^3+\ldots}}$, what algebraic value does it converge to?

How could I solve $x^{t-1}e^{-x} = a$ for $x$?

Is this derivative thing I found a defined mathematical concept? If so, what is it called?

How to interpret the plot of a function of a complex variable?

So there's addition, multiplication, exponentiation and tetration, but is there a level before addition? [duplicate]

Integrate the square root of the ratio of two quadratic polynomials

Is there a concrete definition/formula for finding the leading coefficient of any polynomial?

What is the solution of $a^b=a+b$ in terms of $a$?

What do these symbols mean: $\bigcap$, $\bigcup$, $\bigwedge$, $\bigvee$?

Formula for finding the nth number in this sequence: $[0, 1, 3, 11, 50, 274...]$?

Kth derivative of the nth iterate of a function evaluated at a fixed point $a$?

How is this equation derived?

Interpolation of a set of $(x, y)$ coordinates using a parametrization $(x(t), y(t))$ where $0\leq t \leq1$?

Find "$g(x)$" knowing that "$x=\int_{0}^{\infty} g(tx) dt$"???

Evaluating the limit of this complicated sum?

Surface Area of the unit sphere in the region bounded by three vectors?

What is the polar formula for $y=x$?

Are there any online sources/books that could help me further study set theory?

What is the Indefinite Integral of $f(x)=x^x$? [duplicate]

If $x=r\cos(\theta)$ then in $?=r\cos(\theta+a)$ what is $?$ equal to?

What is $\sin(1+\sin(1+\sin(1+\sin(1+\cdots))))$(in radians)?

If $f(x)+g'(x)=g(x)+f'(x)$ is there any way to find what "$f(x)$" could be (without having $f'(x)$)?

Clarification about the definition for polynomial discriminant?