List questions from systems-of-equations

Published on 09 Apr 2026 - 23:46

26

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Solve $\frac{1}{k^{2}}r^{4}-r^{2}+\frac{\varrho S}{g}(-\omega)=0$ for r and reformulate

Published on 15 Apr 2026 - 13:32

168

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Is there a way to convert the exact 2nd order ODE solution into the solution for the system of 1st order ODEs?

Published on 15 Apr 2026 - 21:16

50

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Eliminating variables $u,v$

Published on 14 Apr 2026 - 15:07

1.3k

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Solving System of Linear Equations with LU Decomposition of $4 \times 3$ matrix

Published on 25 Mar 2026 - 11:03

59

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Trignometry - Cos

Published on 12 Apr 2026 - 15:45

32

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Systems of linear equations: solving by addition

Published on 11 Apr 2026 - 16:43

1.8k

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sum of linear equation system solution

Published on 08 Apr 2026 - 13:43

510

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Finding X or Y first in simultaneous equation

Published on 11 Apr 2026 - 7:34

315

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How to solve a system of integral equation

Published on 08 Apr 2026 - 19:58

97

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Solving a 2nd-order system of ODEs

Published on 16 Apr 2026 - 13:56

79

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Is there an analytic solution to a two-bodied gravitational system of differential equations?

Published on 14 Apr 2026 - 8:06

154

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Analytic solution of the $3\times3$ symmetrical ODE system $x'_i=-x_i\cdot(x_i-\bar{x})$

Published on 14 Apr 2026 - 10:43

58

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Is $f(x)=a_1e^{b_1x}+a_2e^{b_2x}$ concave?

Published on 12 Apr 2026 - 22:30

1.2k

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How can I prove $AX=BX$ for every $n\times1$ column matrix $X \implies A=B$

Published on 11 Apr 2026 - 0:46

List Question

Simultaneous equation with three unknowns

Solve $\frac{1}{k^{2}}r^{4}-r^{2}+\frac{\varrho S}{g}(-\omega)=0$ for r and reformulate

Is there a way to convert the exact 2nd order ODE solution into the solution for the system of 1st order ODEs?

Eliminating variables $u,v$

Solving System of Linear Equations with LU Decomposition of $4 \times 3$ matrix

Trignometry - Cos

Systems of linear equations: solving by addition

sum of linear equation system solution

Finding X or Y first in simultaneous equation

How to solve a system of integral equation

Solving a 2nd-order system of ODEs

Is there an analytic solution to a two-bodied gravitational system of differential equations?

Analytic solution of the $3\times3$ symmetrical ODE system $x'_i=-x_i\cdot(x_i-\bar{x})$

Is $f(x)=a_1e^{b_1x}+a_2e^{b_2x}$ concave?

How can I prove $AX=BX$ for every $n\times1$ column matrix $X \implies A=B$

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