Question

Is $-1$ sum of squares in the field $\mathbb{Q(\beta)}$ where $\beta = 2^{1/3}e^{2\pi i /3}$

score 261 · Answer 1 · 2018-02-03 10:30:29

261

Views

Is $-1$ sum of squares in the field $\mathbb{Q(\beta)}$ where $\beta = 2^{1/3}e^{2\pi i /3}$

Published on 03 Feb 2018 - 10:30

score 70 · Answer 2 · 2018-02-07 00:42:45

70

Views

Equations of Value Unknown interest rate

Published on 07 Feb 2018 - 0:42

score 22 · Answer 3 · 2018-03-08 08:08:24

22

Views

Does this equation imply separation of variables?

Published on 08 Mar 2018 - 8:08

score 144 · Answer 4 · 2018-04-09 07:19:51

144

Views

Solving $x^2 y''(x) + 6x y'(x) - 9y(x) =0$ with similar techniques that are used to solve algebraic equations

Published on 09 Apr 2018 - 7:19

score 86 · Answer 5 · 2018-04-29 18:38:36

86

Views

approximating irrational roots of algebraic equations with the Pierce expansion

Published on 29 Apr 2018 - 18:38

score 341 · Answer 6 · 2018-05-30 14:11:51

341

Views

Solving a symmetric equation involving three variables a,b and c

Published on 30 May 2018 - 14:11

score 73 · Answer 7 · 2018-07-01 16:37:24

73

Views

Proving non-existence of real roots

Published on 01 Jul 2018 - 16:37

score 611 · Answer 8 · 2018-07-08 01:43:47

611

Views

Applying the quadratic Tschirnhausen transformation

Published on 08 Jul 2018 - 1:43

score 93 · Answer 9 · 2018-07-24 17:11:39

93

Views

Solving algebraic equations involving factorials - without trial and error.

Published on 24 Jul 2018 - 17:11

score 53 · Answer 10 · 2018-08-17 19:50:31

53

Views

Solution to $Mx-x^2=0$ where $x^2$ is the square of the elements of vector $x$

Published on 17 Aug 2018 - 19:50

score 244 · Answer 11 · 2018-11-06 18:13:29

244

Views

upper and lower limits for finding just one (real) solution of an algebraic equation (degree 5 and lower)

Published on 06 Nov 2018 - 18:13

score 79 · Answer 12 · 2019-01-09 23:47:06

79

Views

If $x$ is algebraic over a quotient field $K$ of $A$, then there exists an integral element $cx$ for some $A \ni c \neq 0$.

Published on 09 Jan 2019 - 23:47

score 177 · Answer 13 · 2019-01-14 03:24:19

177

Views

Solving $8x-3+\sqrt{x+2}-\sqrt{x-1}=7 \sqrt{x^2+x-2}$

Published on 14 Jan 2019 - 3:24

score 101 · Answer 14 · 2019-01-17 03:19:06

101

Views

how to handle a "Stiff" algebraic equation numerically?

Published on 17 Jan 2019 - 3:19

score 58 · Answer 15 · 2019-02-27 19:44:22

58

Views

Solve $(1+x)^2=A\sqrt{1+Cx}$ for $x$.

Published on 27 Feb 2019 - 19:44

List Question

Is $-1$ sum of squares in the field $\mathbb{Q(\beta)}$ where $\beta = 2^{1/3}e^{2\pi i /3}$

Equations of Value Unknown interest rate

Does this equation imply separation of variables?

Solving $x^2 y''(x) + 6x y'(x) - 9y(x) =0$ with similar techniques that are used to solve algebraic equations

approximating irrational roots of algebraic equations with the Pierce expansion

Solving a symmetric equation involving three variables a,b and c

Proving non-existence of real roots

Applying the quadratic Tschirnhausen transformation

Solving algebraic equations involving factorials - without trial and error.

Solution to $Mx-x^2=0$ where $x^2$ is the square of the elements of vector $x$

upper and lower limits for finding just one (real) solution of an algebraic equation (degree 5 and lower)

If $x$ is algebraic over a quotient field $K$ of $A$, then there exists an integral element $cx$ for some $A \ni c \neq 0$.

Solving $8x-3+\sqrt{x+2}-\sqrt{x-1}=7 \sqrt{x^2+x-2}$

how to handle a "Stiff" algebraic equation numerically?

Solve $(1+x)^2=A\sqrt{1+Cx}$ for $x$.

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