Question

Solve $\left( \sum_i J_i J_i^T \right) x = \sum_i J_i \cdot \alpha_i$ efficiently

score 100 · Answer 1 · 2026-04-14 10:03:58

100

Views

Solve $\left( \sum_i J_i J_i^T \right) x = \sum_i J_i \cdot \alpha_i$ efficiently

Published on 14 Apr 2026 - 10:03

score 324 · Answer 2 · 2026-04-16 20:20:29

324

Views

How to prove that $(x+ {\sqrt{1+x^2}} ) ( y+ {\sqrt {1+y^2}}) = 1$ if $(x+ {\sqrt{1+y^2}} ) ( y+ {\sqrt {1+x^2}}) = 1$

Published on 16 Apr 2026 - 20:20

score 115 · Answer 3 · 2026-04-16 17:30:29

115

Views

Solving the nonlinear differential system $x'(t)=x(t)(s(t)-a)$, $y'(t)=y(t)(s(t)-b)$, $z'(t)=z(t)(s(t)-c)$, where $s(t)=ax(t)+by(t)+cz(t)$

Published on 16 Apr 2026 - 17:30

score 1.7k · Answer 4 · 2026-03-25 12:30:05

1.7k

Views

Help solve simultaneous equations

Published on 25 Mar 2026 - 12:30

score 183 · Answer 5 · 2026-04-11 23:01:46

183

Views

Convert this word problem into a system of equations

Published on 11 Apr 2026 - 23:01

score 234 · Answer 6 · 2026-04-13 11:16:35

234

Views

How do I solve an ellipse with three chord lengths and angles?

Published on 13 Apr 2026 - 11:16

score 17 · Answer 7 · 2026-04-15 19:40:01

17

Views

Solve $\sum_i J_i \left(J_i^T x - 1 \right) = 0$ efficiently

Published on 15 Apr 2026 - 19:40

score 922 · Answer 8 · 2026-03-25 06:01:20

922

Views

Taylor series from discrete series - Approximation / Lagrange remainder?

Published on 25 Mar 2026 - 6:01

score 157 · Answer 9 · 2026-04-11 18:45:52

157

Views

How to solve set of differential equations?

Published on 11 Apr 2026 - 18:45

score 61 · Answer 10 · 2026-04-17 19:42:36

61

Views

How to solve $\frac{11x+3y}{3x-1}+\frac{5x+2}{3}=9-\frac{3-y}{x-1}=12$ (multiple equality signs)

Published on 17 Apr 2026 - 19:42

score 84 · Answer 11 · 2026-04-14 13:15:58

84

Views

Solve a system of 4 equations

Published on 14 Apr 2026 - 13:15

score 262 · Answer 12 · 2026-04-14 03:34:36

262

Views

How to solve system of differential equations containing heaviside function?

Published on 14 Apr 2026 - 3:34

score 138 · Answer 13 · 2026-04-14 06:12:56

138

Views

solve system of two trigonometric equations

Published on 14 Apr 2026 - 6:12

score 636 · Answer 14 · 2026-04-15 00:29:14

636

Views

Find a (nontrivial) linear system of equations satisfied by any vector minimizing the energy

Published on 15 Apr 2026 - 0:29

score 113 · Answer 15 · 2026-04-16 01:28:06

113

Views

Canonical(normal) from of the system of differential equations.

Published on 16 Apr 2026 - 1:28

List Question

Solve $\left( \sum_i J_i J_i^T \right) x = \sum_i J_i \cdot \alpha_i$ efficiently

How to prove that $(x+ {\sqrt{1+x^2}} ) ( y+ {\sqrt {1+y^2}}) = 1$ if $(x+ {\sqrt{1+y^2}} ) ( y+ {\sqrt {1+x^2}}) = 1$

Solving the nonlinear differential system $x'(t)=x(t)(s(t)-a)$, $y'(t)=y(t)(s(t)-b)$, $z'(t)=z(t)(s(t)-c)$, where $s(t)=ax(t)+by(t)+cz(t)$

Help solve simultaneous equations

Convert this word problem into a system of equations

How do I solve an ellipse with three chord lengths and angles?

Solve $\sum_i J_i \left(J_i^T x - 1 \right) = 0$ efficiently

Taylor series from discrete series - Approximation / Lagrange remainder?

How to solve set of differential equations?

How to solve $\frac{11x+3y}{3x-1}+\frac{5x+2}{3}=9-\frac{3-y}{x-1}=12$ (multiple equality signs)

Solve a system of 4 equations

How to solve system of differential equations containing heaviside function?

solve system of two trigonometric equations

Find a (nontrivial) linear system of equations satisfied by any vector minimizing the energy

Canonical(normal) from of the system of differential equations.

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