List questions from systems-of-equations

Published on 09 Apr 2026 - 11:40

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For 17 integers: $a_{i} (i=1,2,\dotsm,17)$, $a_{1}^{a_{2}}=a_{2}^{a_{3}}=a_{3}^{a_{4}}=\dotsm=a_{16}^{\quad a_{17}}=a_{17}^{a_{1}}$.

Published on 17 Apr 2026 - 14:49

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How to construct the matrix of a 2-D system of differential equations

Published on 25 Mar 2026 - 9:31

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System of Fourier coefficient ODEs finding constants

Published on 11 Apr 2026 - 21:06

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An interesting property of a particular set of triples - multiplying two and adding the other always gives 1

Published on 12 Apr 2026 - 18:41

84

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Stommel model, 1961.

Published on 23 Apr 2026 - 21:07

30

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Confusion on Linear Equation Problem

Published on 09 Apr 2026 - 19:49

86

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A nonlinear system of 3 equations in 3 unknowns

Published on 16 Apr 2026 - 6:57

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System of linear equations: condition for uniqueness

Published on 09 Apr 2026 - 11:30

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Algorithm to find convex hull from linear constraints

Published on 25 Mar 2026 - 16:07

35

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Inferring number of solutions for a linear system of three variables from just two equations

Published on 14 Apr 2026 - 13:34

30

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Feasibility problem of linear program for two distinct solutions

Published on 12 Apr 2026 - 3:21

279

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Real analytic set on a compact domain, no zeros on the boundary - isolated points only?

Published on 14 Apr 2026 - 7:07

38

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Solving a system of equations involving the floor function.

Published on 11 Apr 2026 - 7:36

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For an $n$-dimensional $K$-space $V$,$v\in V$,$x \in K^n$, prove that there's a basis $B$ such that the vector representation of $v$ wrt $B$ is $x$.

Published on 15 Apr 2026 - 16:04

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How quadratic equation formed?

For 17 integers: $a_{i} (i=1,2,\dotsm,17)$, $a_{1}^{a_{2}}=a_{2}^{a_{3}}=a_{3}^{a_{4}}=\dotsm=a_{16}^{\quad a_{17}}=a_{17}^{a_{1}}$.

How to construct the matrix of a 2-D system of differential equations

System of Fourier coefficient ODEs finding constants

An interesting property of a particular set of triples - multiplying two and adding the other always gives 1

Stommel model, 1961.

Confusion on Linear Equation Problem

A nonlinear system of 3 equations in 3 unknowns

System of linear equations: condition for uniqueness

Algorithm to find convex hull from linear constraints

Inferring number of solutions for a linear system of three variables from just two equations

Feasibility problem of linear program for two distinct solutions

Real analytic set on a compact domain, no zeros on the boundary - isolated points only?

Solving a system of equations involving the floor function.

For an $n$-dimensional $K$-space $V$,$v\in V$,$x \in K^n$, prove that there's a basis $B$ such that the vector representation of $v$ wrt $B$ is $x$.

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