# All Questions

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### Calculate the intersection points of a line and a parametrically defined 3D surface

Thanks to Henrik Schumacher for advice to simplify the sample code: I would be grateful for any pointers on the following issue. A line from an external point intersects the surface at 2 points (...
1answer
185 views

### Graphical representation of connection of people

I want to make a graphical representation of the people with the location, but coding is a little bit challenging. Here is my input {Person,Location,Influences} ...
0answers
76 views

### Visualizing a huge weighted graph

Consider a weighted graph 'net': ...
3answers
204 views

### Find the 3D region containing the origin bounded by given planes

I'm writing a code to generate the Wigner-Seitz cell of the reciprocal lattice for a given set of lattice translation vectors. For example, consider the Body Centered Cubic (BCC) lattice whose basis ...
0answers
25 views

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1answer
57 views

### How to force ListPlot to print the new curve while keeping the old one

I would like to create a graph using ListPlot which prints new dataset every time the button is evaluated (based on the value given in ...
2answers
134 views

### MapThread conflicting with DynamicModule

Cross-posted: https://community.wolfram.com/groups/-/m/t/1625808 Answer posted on Wolfram Community I'm creating an interactive UI which allows the user to import data from a spreadsheet, perform ...
1answer
288 views

### How to determine the longest edge in a graph?

I have a list of 2D points such as in the image. coord = {{0, 0}, {10, 0}, {20, 0}, {30, 0}, {25, 10}, {0, 10}, {0, 5}}; I would like to determine the longest "...
1answer
76 views

### How to use Normal to recover translated points [duplicate]

I'm working through a coding exercise to program a matrix of Lissajour Curves in Mathematica but have encountered an obstacle when trying to recover the translated ...
1answer
105 views

### Density plot for eigenvalues of a matrix

I am trying to make a density plot of $|min~[Im(v)]|$ (where $v$ are the eigenvalues of a matrix) as function of $\gamma$ (horizontal axis) and $T$(vertical), The code upto now is ...
0answers
82 views

### Plotting with various Manipulate options

I am trying to plot with the following code ...
2answers
136 views

### Finding patterns in Graph visualization

Please comment me if you think this question is not related to Mathematica stack exchange. I am trying to draw a graph representation of the system shown below As you can see, when red line passes ...
2answers
159 views

### A problem in bifurcation diagram

I have the following problem ...
0answers
95 views

### Normal vector in discrete 3D object

Consider a large array(~42000,3): array={{x1,y1,z1},{x2,y2,z2},...,{xn,yn,zn}}; This array forms a certain shape, it may contain cavities or other ...
1answer
78 views

### Rotating a plot with a gradient filling defined by a function

I'm attempting to combine two problems that were previously addressed in the questions below: Filling an area between two curves with respect to a color function Adding a gradient filling according ...
1answer
28 views

### From 3D array of numbers, create 2D array of disks where colour is z-component

I have a list of 3D coordinates. I create an array of disks using their (x,y) coordinates as: ...
3answers
242 views

### Joining data from different lists

Let's create some sample data ...
2answers
1k views

### Plot a list of functions in a single graph [closed]

I am trying to solve a problem using Procedural programming paradigm in Mathematica. I want to find a way to plot a list of functions in a single graph. The code is as follow, let me know what is ...
1answer
136 views

### FrameLabel function does not label my graph [duplicate]

I am using the Show function to graph two functions I previously plotted with ListPlot. I used FrameLabel to name my axis, but it does not work.
1answer
112 views

### How to transform a list of strings to a list I can plot with ListLinePlot? [closed]

I have to plot a list of data given by my professor. Here you can see the data is in txt. format and the problem is I can't plot it because the list is in string. Also, when I use the ListLinePlot ...
2answers
567 views

### How to interpolate 3D data

Here comes some sample data ...
3answers
109 views

### NestList with lower and upper limit

I'm creating a series of centered lines in {0,0} tilted from a set of angles. The first angle is $30°$ and the last one is $110°$. I want to control the number of lines between these two angles, but ...
1answer
117 views

### Fill space between two BezierCurves with random points

I asked a question about filling the space between two curves (Sin and Cos) with random points and the answer I received does ...
0answers
186 views

### Extract points from ParametricPlot3D

I have this ParametricPlot3D ...
1answer
175 views

### Custom labels in colorbar

Here comes a sample data set ...
1answer
164 views

### EdgeDetect for / find boundary of data in lists

I assume this is a simple task, yet I could not find any documentation or question treating this problem: Let's say we have a simple binary data set, in this case defining a shape of a circle ...
1answer
110 views

### making colored contourplots

I plot a graph by the code I wrote. The graph shows zeros of 4 equations. I want to make the graph colored: regions which both datas2r and datas2r are negative becomes gray, regions which datas1i OR ...
6answers
773 views

### Function to create a path made of horizontal and vertical lines between a number of points

I would like to create a function where I can define which case I want to use to create a path. ...
2answers
164 views

### Plot for big x numbers

I want to make a plot of data with big values by x. My code is this ...
2answers
192 views

### How to find value of average current

I have next code a = 1; T = 25; Subscript[I, 1] = If[t < T, a*t, 2*a*T - a*t]; Plot[Subscript[I, 1], {t, 0, 2 T}, AxesLabel -> {t, I1}] I need to find ...
3answers
210 views

### Adding points limits

With 4 points I set a path where your total length was subdivided into 300 points ...
3answers
176 views

### How can I know the length of each part of the arrow and what their full length?

How can I know the length of each part of the arrow and what their full length? points = {{6, 32}, {9, 53}, {18, 42}, {32, 51}}; Graphics[{Arrow[points]}]
4answers
223 views

### Movement of a disk by Angle x Time

I created two lists in which each one of them contains the information of time and position. ...
1answer
134 views

### How to simplify a resistence network and represent the simplifying process?

Through out our study from junior high to freshman year, we need to deal with complex resistence networks and know about how to solve them. There're three principle rules of them: when dealing with ...
2answers
474 views

### Selecting points inside a closed curve [duplicate]

Let's create a rather dense grid of initial conditions ...
1answer
116 views

### Mapping a simple 2 variable function

Quick Question: What is the best way to map this function so it performs seperately for 102 different values of x? ...
2answers
193 views

### Hovering over specific coordinates on a picture

I'm working on a small function which can be used so that when the user hovers over certain coordinates in a LocatorPane, these coordinates can be checked against a separate list of coordinates, and ...
2answers
49 views

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5answers
341 views

### ListPlot with colors [duplicate]

Let's create some sample data n = 100; d00 = Table[{RandomReal[{-1, 1}], RandomReal[{-4, 4}], RandomReal[{-1, 1}]}, {i, 1, n}]; Now I want the following: create ...
2answers
143 views

### Creating a custom ListPlot of consecutive points

Here comes some sample data ...
3answers
96 views

### How to get a C4-symmetric (coincides after 90° rotation) matrix via ImageData from Graphics?

I tried an easy example with Disk centered at {0,0} with radius 1. Obviously, that object is C4-symmetric. Further, ...
0answers
186 views

### Make smooth plot from data

After some awesome tips from @qwerty I still have some doubts. As I said, I'd Like to make a smooth function with some other colors, I plot the graph, there is a lot of data. The situation is this: I ...
1answer
359 views

### How to make smooth function from data [closed]

After some awesome tips from @qwerty I still have some doubts As I said, I´d Like to make a smooth function with some other colors, I plot the graph, there is a lot of data. The situation is this: I ...
1answer
265 views

### Creating a custom color plot with tones of colors

Here is a sample set of data ...
1answer
75 views

### Jumping from one dimension (1D) to two dimensions (2D) Part II

Here is a sample data file data = {{-10,3,1},{-7.5,12,3},{-1.5,5,2},{2,4,4},{3,7,4},{6,9,5},{7,1,5}, {8,3,1},{9,12,2},{10,8,5}}; The first element of the list ...
1answer
128 views

### Jumping from one dimension (1D) to two dimensions (2D)

Here is a sample data file m = {{-10,3,1},{-7.5,12,3},{-1.5,5,2},{2,4,4},{3,7,4},{6,9,5},{7,1,5}, {8,3,1},{9,12,2},{10,8,5}}; The first element of the list ...
1answer
1k views

### Basins of attraction of equilibrium points

The Henon-Heiles potential is the following V = 1/2*(x^2 + y^2) - y*(1/3*y^2 - x^2); which has four equilibrium points ...
2answers
176 views

### Customized ListPlot

I have an external data file containing the elements (t,x,y,px,py) of an orbit. Here is a sample data file. Now I want to ...
1answer
218 views

### Coloring spiral structures

In a previous question Original post @Julian S. proposed a method for coloring spiral structures. However this method works well only if the two spirals do not merge together. For example, for these ...
1answer
527 views

### Animating N points

So I'm trying to create an animation of N interacting particles in two dimensions confined in a box. Generating the data is fine and it's being stored in a text file with two columns for each particle;...