Question

Find a matrix representing linear transformations

score 455 · Answer 1 · 2017-10-16 05:02:05

455

Views

Find a matrix representing linear transformations

Published on 16 Oct 2017 - 5:02

score 451 · Answer 2 · 2026-03-30 05:12:02

451

Views

Area of intersection between cone and plane

Published on 30 Mar 2026 - 5:12

score 81 · Answer 3 · 2026-03-29 02:34:39

81

Views

Creating a simple polygon by edge flipping

Published on 29 Mar 2026 - 2:34

score 2.4k · Answer 4 · 2017-10-20 07:07:18

2.4k

Views

Planes that are parallel to axis.

Published on 20 Oct 2017 - 7:07

score 267 · Answer 5 · 2017-10-20 18:57:29

267

Views

How to find normal plane of a line segment in another plane (3D)?

Published on 20 Oct 2017 - 18:57

score 1.1k · Answer 6 · 2017-10-20 19:30:52

1.1k

Views

How to get intersection points between a plane and a triangle (3D)?

Published on 20 Oct 2017 - 19:30

score 1.4k · Answer 7 · 2026-03-30 00:53:08

1.4k

Views

Hole in the axioms of Hartshorne's "Foundations of Projective Geometry"?

Published on 30 Mar 2026 - 0:53

score 140 · Answer 8 · 2017-10-22 14:33:26

140

Views

Given 5 arbitrary points in the plane from which no 3 are collinear, prove that you can always choose 3 that are vertices of obtuse triangle.

Published on 22 Oct 2017 - 14:33

score 88 · Answer 9 · 2017-10-22 16:11:37

88

Views

Find the equation of the plane that is parallel to $z = 2x + y$ and tangent to $ z = x^2+ y^2$.

Published on 22 Oct 2017 - 16:11

score 33 · Answer 10 · 2017-10-22 17:27:27

33

Views

Can the radius of this semicircle be calculated from the given data?

Published on 22 Oct 2017 - 17:27

score 480 · Answer 11 · 2026-03-30 07:28:23

480

Views

Tangents to a smooth convex curve in the plane

Published on 30 Mar 2026 - 7:28

score 62 · Answer 12 · 2017-10-23 18:37:48

62

Views

Determine if the plane is parallel to $x-2y+z=2.$

Published on 23 Oct 2017 - 18:37

score 192 · Answer 13 · 2017-10-23 20:21:50

192

Views

Find a point that minimizes $\alpha(PA^2+PB^2+PC^2)+\beta(PA+PB+PC)$

Published on 23 Oct 2017 - 20:21

score 1.2k · Answer 14 · 2017-10-26 08:48:16

1.2k

Views

Why do the eigenvectors of the quadratic form defining a conic section give you the principal axes?

Published on 26 Oct 2017 - 8:48

score 559 · Answer 15 · 2026-03-25 11:12:11

559

Views

relationship between two planes (or their (N,d) vectors)

Published on 25 Mar 2026 - 11:12

List Question

Find a matrix representing linear transformations

Area of intersection between cone and plane

Creating a simple polygon by edge flipping

Planes that are parallel to axis.

How to find normal plane of a line segment in another plane (3D)?

How to get intersection points between a plane and a triangle (3D)?

Hole in the axioms of Hartshorne's "Foundations of Projective Geometry"?

Given 5 arbitrary points in the plane from which no 3 are collinear, prove that you can always choose 3 that are vertices of obtuse triangle.

Find the equation of the plane that is parallel to $z = 2x + y$ and tangent to $ z = x^2+ y^2$.

Can the radius of this semicircle be calculated from the given data?

Tangents to a smooth convex curve in the plane

Determine if the plane is parallel to $x-2y+z=2.$

Find a point that minimizes $\alpha(PA^2+PB^2+PC^2)+\beta(PA+PB+PC)$

Why do the eigenvectors of the quadratic form defining a conic section give you the principal axes?

relationship between two planes (or their (N,d) vectors)

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