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15
Math.TechQA.Club
2026-03-25 11:04:35
124
Views
Maximum of $xy + 2 yz$ subject to $x^2 + y^2 + z^2 = 36$
Published on
25 Mar 2026 - 11:04
#calculus
#trigonometry
#optimization
#solution-verification
#quadrics
77
Views
Intersection of two quadrics using matrix form
Published on
25 Mar 2026 - 10:59
#linear-algebra
#algebraic-geometry
#quadrics
177
Views
Maximize $xy + 2 yz + 6 x $ subject to $x^2 + y^2 + z^2 = 36 $
Published on
25 Mar 2026 - 11:07
#calculus
#algebra-precalculus
#optimization
#maxima-minima
#quadrics
118
Views
Shadow of a circle
Published on
30 Apr 2026 - 6:10
#linear-algebra
#geometry
#conic-sections
#quadrics
101
Views
Why is a degenerate quadric well defined?
Published on
25 Mar 2026 - 11:01
#linear-algebra
#algebraic-geometry
#projective-geometry
#quadrics
105
Views
Placing an ellipsoid in a rectangular box
Published on
25 Mar 2026 - 10:59
#linear-algebra
#geometry
#quadrics
48
Views
Conformal mapping from quadrics to the plane
Published on
25 Mar 2026 - 11:00
#coordinate-systems
#projection
#conformal-geometry
#quadrics
89
Views
The closest points on a line and an ellipsoid
Published on
25 Mar 2026 - 11:05
#linear-algebra
#geometry
#optimization
#analytic-geometry
#quadrics
113
Views
Closest point on the surface of an ellipsoid to a given point
Published on
25 Mar 2026 - 11:06
#linear-algebra
#geometry
#optimization
#analytic-geometry
#quadrics
48
Views
System of $ n $ simultaneously diagonal real quadrics in $ n+1 $ variables has all solutions real
Published on
11 May 2026 - 1:48
#quadratic-forms
#intersection-theory
#real-algebraic-geometry
#quadrics
221
Views
Plane through feet of normals to ellipsoid
Published on
11 May 2026 - 3:10
#geometry
#conic-sections
#3d
#quadrics
#ellipsoids
54
Views
Proving a system of quadratic forms has no (non-zero) solutions
Published on
11 May 2026 - 4:06
#quadratic-forms
#intersection-theory
#real-algebraic-geometry
#quadrics
28
Views
Cutting an elliptical cone
Published on
10 May 2026 - 21:25
#linear-algebra
#geometry
#solution-verification
#quadrics
30
Views
Closed form expression for shadow area of an ellipsoid subject to uniform direction light
Published on
25 Mar 2026 - 11:06
#linear-algebra
#geometry
#area
#quadrics
31
Views
Closed form expression for the area of the shadow of an ellipsoid subject to light rays from a point light source
Published on
25 Mar 2026 - 11:04
#linear-algebra
#geometry
#quadrics
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