# Questions tagged [coordinate]

The tag has no usage guidance.

31 questions
Filter by
Sorted by
Tagged with
-1 votes
1 answer
24 views

### Coordinates of two points near a circle

Could someone help me find the locations of the points A and B? Let me know if you need more information. Thanks ;)
2 votes
1 answer
103 views

### How to visualise a rotated cuboid as an output of its rotation matrix and original dimensions, using Graphics3D?

I'm new to Mathematica, and I'm trying to figure out how to visualise a rotated cuboid as an output of its rotation matrix and original dimensions using Graphics3D. ...
3 votes
3 answers
247 views

### Create a new graph based on a manipulated circle

I make a circle based on CirclePoints. From this list of points I take a part and rotate the coördinaties. Then I join the rotated part with the rest of the circelPoints. For example ...
• 2,645
3 votes
0 answers
59 views

### How to transform the default coordinate when set up the mesh with FEM method?

I want to establish the electromagnetic field of the motor based on the finite element method, because the governing equations are different in different regions, so we need to first build the shape ...
• 129
0 votes
1 answer
80 views

### How can I obtain an analytic function from a set of points from an image?

So I have this image: and I want to extract some piecewise-function of this nonperiodic wave-train, that will later be expanded to a Fourier series. Step 1: I use the Coordinate tool to get the point ...
• 571
0 votes
1 answer
257 views

### Spherical coordinates Earth science convention

Earth science often uses a different convention for spherical coordinates than the spherical coordinates Mathematica defines by "Spherical". "Spherical" uses (radius, colatitude, ...
• 51
0 votes
0 answers
41 views

### Coordinate tool in mathematica fails to arrange the points in a preferred order

I am trying to extract the coordinates from a plot directly by using the Coordinate tool in Mathematica. I show this in figure below. The problem is that the arrangement of the coordinates does not ...
• 571
1 vote
2 answers
96 views

### Coordinates and graphics [closed]

Make a line in 3D that goes through 50 random points with integer coordinates randomly chosen up to 50. Graphics3D[ Line[ Table[RandomInteger[c, 3], {c, 50}]]] ...
• 307
13 votes
2 answers
326 views

### How is the zoom tooltip in the "Coordinates Tool" implemented?

I notice that the built-in "Coordinates Tool" has a very efficient zoom tooltip displaying an enlarged portion of the image along with coordinates and row/column indices: How to get the ...
• 61.7k
0 votes
0 answers
60 views

### How to get the values of y coordinate for equidistant values of x coordinate from a plot obtained by numerically solving a differential equation?

I need to find the value of $V[r_{*}]$ at equidistant values of $r_{*}$ (say $r_{*}$ goes from 0 to 10 in steps of 0.1) from the graph. Is it possible? I used the code ...
6 votes
4 answers
222 views

### How to order the coordinates generated by ToBoundaryMesh counterclockwise?

The following code works for polygons. A square 4x4 is tried here: ...
0 votes
1 answer
148 views

### Coordinates of mesh generated by Mathematica-FEM

MeshCoordinates function yields more nodal coordinates than expected. Can I extract the coordinates of vertices only. Here is an example of a square region with a course mesh to explain the problem. I ...
5 votes
2 answers
250 views

### Sorting Cartesian coordinates

Here is the problem: I create a coordinate list as follows: ...
0 votes
0 answers
111 views

### How would you write a electric field in cylindrical coordinates?

I am new to Mathematica and I am trying to automate the process of finding electric and magnetic fields for TE and TM modes in a cylindrical superconducting cavity. I could not find documentation ...
2 votes
2 answers
106 views

### Merge two graphic objects

I'd like to recursively draw tangles (=knots with open ends). So, the fundamental object O is a crossing, having some fixed size, say fitting into ...
• 1,021
3 votes
2 answers
542 views

### How to get "x" value from a interpolating function?

I measured a parameter over time and get this List: (where fisrt value (x) is time and second the value (y) the vale of the parameter) ...
• 71
1 vote
1 answer
134 views

### Getting a list of accurate coordinates from a ContourPlot

I have a set of functions d=d(b) defined implicitly by the equation f(b,d)=0. I have plotted that equation using ...
• 303
4 votes
3 answers
238 views

2 votes
2 answers
213 views

### How to make a polygon centered at {0,0} with scaled dimensions?

I am making a customized plot marker mk2 (a black star) with Polygon. Another marker mk1 (a ...
• 1,297
5 votes
2 answers
509 views

### How to scale and shift the coordinates of a Graphics object?

I am trying to overlap two Graphics objects g1 and g2 with ...
• 1,297