All Questions
Tagged with mathematica geometry
17
questions
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561
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Conversion of clockwise angle rotation to anticlockwise and vice versa
I have some data sets and using that data sets I'm trying to calculate the rotation numbers. Calculating rotation numbers I have to take some particular direction of vectors, i.e., either clockwise or ...
- 11
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184
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How Can I Visualize a PDE Boundary Condition?
In this question, the comment suggests that the integration bounds in the Fourier Series should be chosen to avoid discontinuities in the boundary conditions. I am trying to produce a nice visual to ...
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A generalization of Elon Musk's favorite interview question (Going 1km South, 1km West, then 1km North returns to the starting position).
This question concerns a generalization of the following problem (allegedly, in the early days of Tesla and SpaceX, Elon Musk would ask the following question to possible future employees):
Assume ...
- 15.4k
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1
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Trianlge area and minimum value using Mathematica.
A triangle has two of its corners in (3.052 , 0 , 1.456), (0 , 3.052, 1.456), and the third of the curve in the room consisting of all points (3.052 , 3.052, a ^ 2 + 1.456), where a is a real number. ...
user766526
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1
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Constructing bisectors for a triangle in Poincare Disk (wolfram mathematica)
I'm having difficulties constructing angle bisector in Poincare Disc(Hyperbolic geometry), specifically with writing code in Wolfram Mathematica. I've managed to create a triangle, but now have no ...
- 183
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1
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48
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Largest Orthogonal circle for a given circle
What is the radius of the largest orthogonal circle (as a function of R)that can be constructed for a given circle of radius R?
Definition of Largest circle-the circle that spans the longest section ...
- 21
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1
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how to project and then plot the product of two 3 spheres or two 4 spheres in mathematica?
I admit up front i'm a complete newbie not even close to being a geometer/topologist, but i need some advice about what the product of spheres would look like. A 1 sphere times a 1 sphere is a two ...
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1
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Focal distance on a parabola
If focal distance of a point on the parabola $y = x^2 - 4$ is $25/4$ . And the points are of form $(\pm \sqrt{a}, b$ then how can we find $a , b$ or sum of these . I think the focus of parabola would ...
- 465
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The mathematics of anaglyph images
Note: I'm not quite sure whether this question properly belongs to the Mathematica or to the mathematics Stack Exchange. But because my question mainly concerns general mathematical principles rather ...
- 1,012
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2
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857
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Finding the largest circle that contains a single point in a set (and no other point)
Given a bounded $A \times B$ rectangle with a set of chosen coordinates, generated for example with the command:
...
3
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3
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2k
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What is the area of the shaded region of the square?
To find area of shaded portion in the below figure, the picture generate by following mathematica code.
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- 257
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1
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114
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Is there a closed-form expression that allows me to triangulate a point in 2D?
Please consider the case where I have three points on a 2D plane - $(p_1, p_2, p_3)$ - and a third point, $p_0$, at some unknown position $(x_0,y_0)$. However, I know that $p_0$ is a distance $d_1$ ...
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2
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How to draw a family of curves and its envelope?
Given a family of curves $$F=(x-t)^2+y^2-\frac{1}{2}t^2,$$ I am trying to compute the envelope of this family.
The envelope is described by the equations
$$F=0, \\
\dfrac{\partial F}{\partial t} = -2(...
- 2,879
15
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2
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81k
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How can I calculate the centroid of polygon?
What is the way to calculate the centroid of polygon? I have a concave polygon of 16 points, and I want know the centroid of that.
thanks
- 285
7
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4
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Drawing a thickened Möbius strip in Mathematica
I would like to have Mathematica plot a "thickened Möbius strip", i.e. a torus with square cross section that is given a one-half twist. Ideally, I would like this thickened Möbius strip to be ...
- 131k