List questions from systems-of-equations

49

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Special method of solution for $A\vec x=\vec b$ where $A$ is a square matrix such that $A^tA$ is diagonal and has full rank?

Published on 16 Apr 2026 - 3:27

42.9k

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How to show whether 3 planes have a common line of intersection

Published on 12 Apr 2026 - 13:07

2.4k

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Consider the parametric curve: $x=6\cos^3(t), y=6\sin^3(t)$, write it in cartesian form.

Published on 16 Apr 2026 - 13:25

45

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Existence if integer solutions

Published on 10 Apr 2026 - 23:06

41

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show that $y$ and $x$ can be expressed as a function of $x$ alone in the neighbourhood of the point $(2,1,-1)$

Published on 14 Apr 2026 - 22:32

163

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System of DEs with constant term

Published on 08 Apr 2026 - 17:42

97

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Relatively simple system of nonlinear ODEs

Published on 14 Apr 2026 - 18:32

307

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Matrix Problem of form Ax=B

Published on 11 Apr 2026 - 22:53

55

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Prove that the solutions to the system of equations are integers

Published on 14 Apr 2026 - 23:35

407

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Writing system of equations & rate of change

Published on 11 Apr 2026 - 15:22

121

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Prove that for any given $c_1,c_2,c_3\in \mathbb{Z}$,the equations set has integral solution.

Published on 17 Apr 2026 - 16:01

64

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Weird contradiction between equations

Published on 11 Apr 2026 - 10:21

660

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Knight movement on chess field

Published on 04 May 2026 - 12:23

34

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Equation for sinusoidal wave with fixed wavelength and amplitude

Published on 13 Apr 2026 - 0:47

3.8k

Views

How do you find the value of n in this example

Published on 26 Mar 2026 - 21:12

List Question

Special method of solution for $A\vec x=\vec b$ where $A$ is a square matrix such that $A^tA$ is diagonal and has full rank?

How to show whether 3 planes have a common line of intersection

Consider the parametric curve: $x=6\cos^3(t), y=6\sin^3(t)$, write it in cartesian form.

Existence if integer solutions

show that $y$ and $x$ can be expressed as a function of $x$ alone in the neighbourhood of the point $(2,1,-1)$

System of DEs with constant term

Relatively simple system of nonlinear ODEs

Matrix Problem of form Ax=B

Prove that the solutions to the system of equations are integers

Writing system of equations & rate of change

Prove that for any given $c_1,c_2,c_3\in \mathbb{Z}$,the equations set has integral solution.

Weird contradiction between equations

Knight movement on chess field

Equation for sinusoidal wave with fixed wavelength and amplitude

How do you find the value of n in this example

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