Question

Solve in $\mathbb{R}$ : $2x+5y+4u+3v=10$, $3x+3y+2u+2v=6$, $x+7y+8u+2v=-6$, $3x+5y+6u+2v=-10$

score 63 · Answer 1 · 2019-12-26 20:23:08

63

Views

Solve in $\mathbb{R}$ : $2x+5y+4u+3v=10$, $3x+3y+2u+2v=6$, $x+7y+8u+2v=-6$, $3x+5y+6u+2v=-10$

Published on 26 Dec 2019 - 20:23

score 750 · Answer 2 · 2019-12-28 06:59:30

750

Views

Converting inequalities into equalities by adding more variables

Published on 28 Dec 2019 - 6:59

score 55 · Answer 3 · 2026-03-26 16:56:53

55

Views

Equations of the union of two sets

Published on 26 Mar 2026 - 16:56

score 77 · Answer 4 · 2019-12-30 06:21:41

77

Views

if$\begin{cases}2x-y=1\\x-2y=a\\x-ay=122\end{cases}$ has solution(s), find $a$

Published on 30 Dec 2019 - 6:21

score 50 · Answer 5 · 2019-12-30 13:48:05

50

Views

Solving systems given by $(x_{i}\cdot x_{i+1})\bmod (x_{i}+x_{i+1})=x_{i+2}$?

Published on 30 Dec 2019 - 13:48

score 52 · Answer 6 · 2026-03-25 03:07:35

52

Views

Computing the tangent plane of a surface defined by a system of non linear equations

Published on 25 Mar 2026 - 3:07

score 129 · Answer 7 · 2026-04-12 07:21:36

129

Views

solve matrix equation $2AX-X^TA=B$

Published on 12 Apr 2026 - 7:21

score 73 · Answer 8 · 2026-04-12 18:06:19

73

Views

frequency for common amplitude between sin and cos functions

Published on 12 Apr 2026 - 18:06

score 49 · Answer 9 · 2020-01-01 01:19:25

49

Views

When does there exists $x\geq,\neq 0$ s.t. $(\sum_{i}A_{i}\alpha_{i})x\neq 0$ $\forall$ $\alpha_{1},...,\alpha_{k}\geq 0$ s.t. $\sum_{i}\alpha_{i}=1$

Published on 01 Jan 2020 - 1:19

score 72 · Answer 10 · 2020-01-03 05:58:09

72

Views

Solving $8$ variables with $2$ equations

Published on 03 Jan 2020 - 5:58

score 179 · Answer 11 · 2026-04-11 12:08:25

179

Views

System of linear equations; equivalence relation realised by row-transformations only

Published on 11 Apr 2026 - 12:08

score 154 · Answer 12 · 2026-04-10 22:18:43

154

Views

How can you identify how many solutions systems have in $\mathbb{R}^3$?

Published on 10 Apr 2026 - 22:18

score 224 · Answer 13 · 2026-04-02 06:24:56

224

Views

Solve a system of equations for positive ($x$, $y$, $z$)

Published on 02 Apr 2026 - 6:24

score 384 · Answer 14 · 2026-03-31 10:57:23

384

Views

Solve in $\mathbb{R^{3}}$ : $\begin{cases}x+y+xy=19\\y+z+yz=11\\x+z+xz=14\end{cases}$

Published on 31 Mar 2026 - 10:57

score 2.3k · Answer 15 · 2026-04-13 01:38:01

2.3k

Views

How could we calculate the final weight, knowing the initial and final water percentage, and initial weight‽??

Published on 13 Apr 2026 - 1:38

List Question

Solve in $\mathbb{R}$ : $2x+5y+4u+3v=10$, $3x+3y+2u+2v=6$, $x+7y+8u+2v=-6$, $3x+5y+6u+2v=-10$

Converting inequalities into equalities by adding more variables

Equations of the union of two sets

if$\begin{cases}2x-y=1\\x-2y=a\\x-ay=122\end{cases}$ has solution(s), find $a$

Solving systems given by $(x_{i}\cdot x_{i+1})\bmod (x_{i}+x_{i+1})=x_{i+2}$?

Computing the tangent plane of a surface defined by a system of non linear equations

solve matrix equation $2AX-X^TA=B$

frequency for common amplitude between sin and cos functions

When does there exists $x\geq,\neq 0$ s.t. $(\sum_{i}A_{i}\alpha_{i})x\neq 0$ $\forall$ $\alpha_{1},...,\alpha_{k}\geq 0$ s.t. $\sum_{i}\alpha_{i}=1$

Solving $8$ variables with $2$ equations

System of linear equations; equivalence relation realised by row-transformations only

How can you identify how many solutions systems have in $\mathbb{R}^3$?

Solve a system of equations for positive ($x$, $y$, $z$)

Solve in $\mathbb{R^{3}}$ : $\begin{cases}x+y+xy=19\\y+z+yz=11\\x+z+xz=14\end{cases}$

How could we calculate the final weight, knowing the initial and final water percentage, and initial weight‽??

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