Questions tagged [coordinate]

The tag has no usage guidance.

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 ;)
value1's user avatar
  • 1
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. ...
Richard Casey's user avatar
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 ...
Michiel van Mens's user avatar
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 ...
fhrl's user avatar
  • 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 ...
Vangsnes's user avatar
  • 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, ...
jeff's user avatar
  • 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 ...
Vangsnes's user avatar
  • 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}]]] ...
Ratheesh's user avatar
  • 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 ...
Alexey Popkov's user avatar
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 ...
bouaa's user avatar
  • 1
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: ...
Husain Al-Gahtani's user avatar
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 ...
Husain Al-Gahtani's user avatar
5 votes
2 answers
250 views

Sorting Cartesian coordinates

Here is the problem: I create a coordinate list as follows: ...
Jocelyn Minini's user avatar
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 ...
Aarav Mande's user avatar
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 ...
Hauke Reddmann's user avatar
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) ...
Zarabu's user avatar
  • 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 ...
edgardeitor's user avatar
4 votes
3 answers
238 views

Select list points at region [closed]

If I have a list Table[{dj, di}, {dj, 0, 1, 0.2}, {di, 0, 1, 0.2}], how can I select only the points that satisfies $\left(2-\delta_{j}\right)-\sqrt{2\left(2-\...
Hermelino Nepomuceno's user avatar
3 votes
1 answer
132 views

Find centre of spiral similarity of two lines

I am trying to find a formula for the centre of spiral similarity (see here) of two lines, lineAB and lineCD. My problem comes ...
Richard Burke-Ward's user avatar
2 votes
1 answer
75 views

How to get meaningful coordinates when a plot is embedded in GraphicsGrid/Column

This code produces a DateListPlot such that when I select Get Coordinates, hovering over a point with the mouse will generate a tooltip displaying the timestamp for ...
RobertNathaniel's user avatar
5 votes
3 answers
310 views

Getting the coordinates of points along a poly-line shown in graphics

I have been trying to obtain list of {x,y} coordinates from this code ...
Irtiza's user avatar
  • 576
0 votes
1 answer
80 views

Evaluate analytic solution of the function [closed]

Here, i have plotted a function and i would like to print the y coordinate values from the plot for the x-coordinate given below. Coordinates in the sequence that every fourth y-coordinate should be ...
user75507's user avatar
4 votes
3 answers
904 views

Export output to a text file

I have the following output obtained after optimizing the positions of geometry using Minimize command ...
Natasha's user avatar
  • 359
3 votes
2 answers
83 views

Map vertex id to vertex coordinate

I want to map vertex labels to vertex coordinates stored in two variables. vl = {6, 9, 12} vd = {{1011, 1127, 420}, {950, 1052, 404}, {780, 1033, 470}} I tried, <...
Natasha's user avatar
  • 359
1 vote
0 answers
63 views

X,Y, Z Coordinate

I require the X, Y and Z coordinates separately, in 3 different columns. I have tried with, Table, Grid and Matrix. Please let me have an idea how to perform it. Thanks ...
M.K Imr's user avatar
  • 39
0 votes
1 answer
124 views

coordinates of the ImageData

I’m trying to get the coordinates of the ImageData, in term of X and Y separately I have paste my trials and would gratefully need your help. In 3D, the array generated by ImageData [image] is ...
M.K Imr's user avatar
  • 39
7 votes
2 answers
180 views

How do I plot this vectorial system in Cartesian coordinates regarding the triangle $ABC$?

Let $ABC$ be a triangle from plane such that we define three points $I$, $J$ ,$G$ satisfying respectively the following equations: $$2 \vec{IA}+\vec{IB} =\vec{0}$$ $$\vec{JB}-2\vec{JC} =\vec{0}$$ $$...
zeraoulia rafik's user avatar
2 votes
1 answer
399 views

How to specify coordinated of legend box using Show and Epilog functions?

I am trying to place the legend box using epilog function. I'm unsure where I can specify the coordinated in the sample code to specify the position. ...
grading's user avatar
  • 261
1 vote
1 answer
117 views

Plot Using User-defined Coordinates

Suppose instead of using Cartesian coordinate $\vec{x}=(1, 0)$ and $\vec{y}=(0, 1)$, I want to define new coordiates $\vec{a} = (1,0)$ and $\vec{b} = (\frac{1}{2},\frac{\sqrt{3}}{2} )$. And when I ...
Histoscienology's user avatar
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 ...
nanjun's user avatar
  • 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 ...
nanjun's user avatar
  • 1,297