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score 153 · Answer 1 · 2026-04-14 17:45:47

153

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Question from parabola

Published on 14 Apr 2026 - 17:45

score 49 · Answer 2 · 2026-04-14 03:49:27

49

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There is a way to project a 3D vector in 4D space, and get its new coordinates?

Published on 14 Apr 2026 - 3:49

score 153 · Answer 3 · 2026-04-13 10:11:55

153

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Number of solutions to a system of three quadratic equations in two variables

Published on 13 Apr 2026 - 10:11

score 27 · Answer 4 · 2026-04-17 10:39:33

27

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Two compact, convex bodies in Euclidean space with special projection properties.

Published on 17 Apr 2026 - 10:39

score 144 · Answer 5 · 2026-04-15 18:55:54

144

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Tangent to two circles with parametric coordinates (2+2cos θ , 2 sin θ)?

Published on 15 Apr 2026 - 18:55

score 59 · Answer 6 · 2026-04-11 21:45:40

59

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Finding the general equation of a perpendicular line to a given line that passes through a point. (using vector algebra)

Published on 11 Apr 2026 - 21:45

score 58 · Answer 7 · 2026-04-14 03:19:45

58

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Show that $a\times (a\times b)=-(a\bullet a)b$

Published on 14 Apr 2026 - 3:19

score 62 · Answer 8 · 2026-04-12 19:54:50

62

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Simple problem with lots of calculations (analytic geometry)

Published on 12 Apr 2026 - 19:54

score 45 · Answer 9 · 2026-04-14 08:44:14

45

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Equation of sphere through points $(1,1,2)$ and $(2,-2,3)$ with center on $2x+3y=0=5x+y-z$

Published on 14 Apr 2026 - 8:44

score 110 · Answer 10 · 2026-04-13 01:42:53

110

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Mobius Transformation - Concentric Circles

Published on 13 Apr 2026 - 1:42

score 55 · Answer 11 · 2026-04-11 18:44:01

55

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Principal solutions of trigonometric equations and angle between two lines.

Published on 11 Apr 2026 - 18:44

score 87 · Answer 12 · 2026-04-15 21:06:35

Find the equation of the lines of intersection of the plane $x - 3y + z = 0$ and the cone $x^2 - 5y^2 + z^2 = 0$

score 92 · Answer 13 · 2026-05-14 12:40:16

92

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Placing dots on quadratic Bézier curve at distance

Published on 14 May 2026 - 12:40

score 54 · Answer 14 · 2026-05-16 05:44:25

54

Views

Problem with plotting products of polynomials

Published on 16 May 2026 - 5:44

score 70 · Answer 15 · 2026-04-11 04:09:00

What's the true meaning of the definition of cylinder "A cylinder is a surface generated by a variable straight line which moves parallel to a fixed

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Question from parabola

There is a way to project a 3D vector in 4D space, and get its new coordinates?

Number of solutions to a system of three quadratic equations in two variables

Two compact, convex bodies in Euclidean space with special projection properties.

Tangent to two circles with parametric coordinates (2+2cos θ , 2 sin θ)?

Finding the general equation of a perpendicular line to a given line that passes through a point. (using vector algebra)

Show that $a\times (a\times b)=-(a\bullet a)b$

Simple problem with lots of calculations (analytic geometry)

Equation of sphere through points $(1,1,2)$ and $(2,-2,3)$ with center on $2x+3y=0=5x+y-z$

Mobius Transformation - Concentric Circles

Principal solutions of trigonometric equations and angle between two lines.

Find the equation of the lines of intersection of the plane $x - 3y + z = 0$ and the cone $x^2 - 5y^2 + z^2 = 0$

Placing dots on quadratic Bézier curve at distance

Problem with plotting products of polynomials

What's the true meaning of the definition of cylinder "A cylinder is a surface generated by a variable straight line which moves parallel to a fixed

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