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15
Math.TechQA.Club
2023-07-17 12:24:43
123
Views
Maximum of $xy + 2 yz$ subject to $x^2 + y^2 + z^2 = 36$
Published on
17 Jul 2023 - 12:24
#calculus
#trigonometry
#optimization
#solution-verification
#quadrics
76
Views
Intersection of two quadrics using matrix form
Published on
17 Jul 2023 - 17:17
#linear-algebra
#algebraic-geometry
#quadrics
176
Views
Maximize $xy + 2 yz + 6 x $ subject to $x^2 + y^2 + z^2 = 36 $
Published on
17 Jul 2023 - 20:11
#calculus
#algebra-precalculus
#optimization
#maxima-minima
#quadrics
101
Views
Shadow of a circle
Published on
24 Mar 2026 - 5:17
#linear-algebra
#geometry
#conic-sections
#quadrics
100
Views
Why is a degenerate quadric well defined?
Published on
20 Jul 2023 - 9:15
#linear-algebra
#algebraic-geometry
#projective-geometry
#quadrics
104
Views
Placing an ellipsoid in a rectangular box
Published on
21 Jul 2023 - 13:47
#linear-algebra
#geometry
#quadrics
47
Views
Conformal mapping from quadrics to the plane
Published on
21 Aug 2023 - 22:16
#coordinate-systems
#projection
#conformal-geometry
#quadrics
88
Views
The closest points on a line and an ellipsoid
Published on
16 Sep 2023 - 18:57
#linear-algebra
#geometry
#optimization
#analytic-geometry
#quadrics
112
Views
Closest point on the surface of an ellipsoid to a given point
Published on
18 Sep 2023 - 7:39
#linear-algebra
#geometry
#optimization
#analytic-geometry
#quadrics
47
Views
System of $ n $ simultaneously diagonal real quadrics in $ n+1 $ variables has all solutions real
Published on
25 Mar 2026 - 7:44
#quadratic-forms
#intersection-theory
#real-algebraic-geometry
#quadrics
219
Views
Plane through feet of normals to ellipsoid
Published on
21 Sep 2023 - 6:37
#geometry
#conic-sections
#3d
#quadrics
#ellipsoids
53
Views
Proving a system of quadratic forms has no (non-zero) solutions
Published on
25 Mar 2026 - 7:43
#quadratic-forms
#intersection-theory
#real-algebraic-geometry
#quadrics
26
Views
Cutting an elliptical cone
Published on
02 Nov 2023 - 11:34
#linear-algebra
#geometry
#solution-verification
#quadrics
29
Views
Closed form expression for shadow area of an ellipsoid subject to uniform direction light
Published on
02 Nov 2023 - 19:25
#linear-algebra
#geometry
#area
#quadrics
30
Views
Closed form expression for the area of the shadow of an ellipsoid subject to light rays from a point light source
Published on
03 Nov 2023 - 4:28
#linear-algebra
#geometry
#quadrics
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