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# Questions tagged [plotting]

Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.

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309 views

### How to create a fluid animation like this?

When two fluids move past each other at different speeds, complex instabilities arise that look really cool: The Navier-Stokes equations are numerically intense but can usually predict what will ...
132 views

### Plotting graph of a function with an imposed a condition

I have to plot a function $f(x,y,z)=\sin[x+y+z]$ with an imposed condition $\sin[y]\sin[x]=\sin[z]$. How do I plot it in Mathematica using Plot3D?
38 views

### Specifying the font size and font style for plot legends [closed]

How can I change the font size and font style for the line legends? ...
65 views

### Minimization problem!

Im probably not seeing the obvious question but i want to minimize an expression like: Func[A_,B_,θ_,θ1_]:= A Cos[θ-θ1] + B Sin[θ]^2 where i do to minimize in ...
40 views

### Plot solution of ODE with singularity

I wish to plot the solution of the following ODE: ...
96 views

### Finding the global maximum of a function

I've the following code: ...
38 views

### Plotting and respresenting data points that are very similar in value

Suppose I have the following association, ...
205 views

### Adding a bar legend to a 3D plot indicating surface curvature by color

I want to color surfaces according to its Gaussian curvature, but the color bar is not consistent with the color. How can I improve it? Color a HyperbolicParaboloid according to its Gaussian ...
45 views

### How to plot and print the maximum value in a ContourListPlot[]

I have managed to manipulate functions from a list of data points. The data table is large and thus is in this link. ...
29 views

### Manipulating PlotRange in ParametricPlot [duplicate]

why does the following code not work? ...
39 views

### Show, if possible, small isolated “islands” in the unit cube using RegionPlot3D

I have a certain three-dimensional constraint ...
50 views

### Combine two plots into one with different colored legends

After much help from this community, I finally have a way to plot the real solutions to the determinant. However, this may seem like a stupid request, I want to combine both figures that result from ...
343 views

### How can I plot a function with parameters x,y but only in the x<y region

I want to use DensityPlot to plot the function, let's say f[x,y]=xy, but only in the x<y region with ...
128 views

### Plotting tens of thousands of functions together on the same axes

I'm trying to plot a large number of functions together on the same axes. Each of these functions is the result from one iteration of a Monte Carlo simulation. Essentially, I'm varying parameters of a ...
73 views

### Removing artifacts from my plot that draws Homer Simpson [closed]

I'm doing "Drawing Homer with Epicycles" (from the video: Epicycles, complex Fourier series and Homer Simpson's orbit by Mathologer) It uses FindShortestTour to ...
461 views

### How do you plot random points in three dimensions?

I've got a function that maps a 2D plane onto a sphere (I'm trying to learn about Geodesics). ...
63 views

### How to calculate an area of a conformal map enclosed shape?

I need to calculate the area of a conformal mapping closed shape on the complex plane that gives the perimeter. I have the following parameters: ...
60 views

### How do I remove part of the plot?

I am in a similar situation as the one described in this post: I need to Plot3D a piecewise function with complicated inequality restriction. I am using this answer ...
51 views

### Having issues trying to animate an electric and magnetic field of a moving point charge [duplicate]

I'm currently trying to plot an electric and magnetic field using Mathematica, but I'm quite new to the program and I've run into a wall. I start out with a moving point charge, and this is what I've ...
24 views

### Preserving ColorFunction when exporting 3D density plot? [closed]

I am trying to produce a 3D density plot from a set of points. Minimal code to generate a similar set of points and plot is ...
55 views

### How to make a discrete density plot for a two-variable PDF?

I have the following function of two variables $(1)\qquad f(x,y)=\exp[-x^{2} - y^{2} + \frac{1}{2}xy]$ which is interpreted as a two-variable Gaussian probability distribution. Concretely I want to ...
48 views

### Time Varying 3D Vector Plot Improvements [closed]

From another question, I got curious and used Mathematica's built-in features to analyze the following. \begin{cases} \dot{x} = 1.0(x^2 + y^2 + z^2) \sin( ~t) - 1.0\sin(t+\pi/2) \\ \dot{y} = 1.1(x^...
52 views

### SphericalPlot3D taking sign of $r$ into account [closed]

I want to plot Re[SphericalHarmonicY[l,m,Theta,Phi]], with the lobes having different colors depending on the sign of the function. I can’t use ...
53 views

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39 views

### Issue with StreamDensityPlot

I'm plotting a complicated vector field that is yielding the following particular StreamDensityPlot. I'm using the following command to plot it: ...
257 views

### Plotting Joukowski Airfoil Streamlines using conformal maps

I want to plot the streamlines around Joukowski Airfoil using conformal mapping of a circle solution. I do know that there are a lot of solutions to plot the airfoil itself (for example this), but I'...
62 views

### Plotting only one piece of an implicit 3d surface (the one value of the order parameter wich minimizes some free energy function)

I would like to plot a graphic of spontaneous magnetization vs T vs h for a Curie Weiss Model. The equation for stationary ...
96 views

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65 views

### Fourier Spectral Analysis [closed]

I'm currently working on an engineering exercise that goes as such: I know that I need a step function to model the square waves, but I'm having trouble finding the right functions to generate the ...
99 views

### Plotting the electric field from a moving charge in 3D

I want to show a 3D electric field changing with time in response to the path of a moving charged particle. I have an animation of a particle traveling along a helical path using the parametrization ...
45 views

### Creating a custom curved axis around a pie chart

In a recent post, we have seen (thanks to @kglr) how to create a custom pie chart ...
50 views

### How do I add a vertical plane in Plot3D?

I use the following code to generate a plot: ...
41 views

### How do I use ListPlot with error bars properly [closed]

I'm trying to make a ListPlot with error bars: In this example I want one data point at x = 3, y = 1 and symmetric error bars of magnitude 0.5. This is the code I'm using ...
66 views

### contourlabels diagonally

I have this contour plot. I want to place contours diagonally in the center of the plot. or put custom labels where I want. how can I do it? I use this command for contourlabels. but it is not ...
93 views

### Create a custom diagram

Suppose we have the following list with a row of integer numbers data = {0, 0, -1, 1, 1, 2, 9, -2, 2, 1, 1, 1, 0, 0, 9, 9, -1, 0, 9, 2} Each integer corresponds ...
55 views

### How to use Tube (and regionplot) for this parametric plot?

ParametricPlot3D[{(1 + Cos[Theta]) Cos[Phi], (1 + Cos[Theta]) Sin[ Phi], Sin[Theta]}, {Theta, 0, 2 Pi}, {Phi, 0, 2 Pi}] How do I use ...
47 views

### What can I do about my DateListPlot plotting incorrectly?

I have noticed that ...
50 views

### Speed up and Smooth Plot3D of NDSolve Evaluated Results

may I ask is there any space for my code to be improved in terms of the speed and resolution of the plotted results. Currently, it takes more than one hour to plot the 3D graph and as shown in the ...
68 views

### How to change the font in LineLegend?

Is it possible to change the font in LineLegend? In fact, I need a mathematical font (like Times) in this part.
60 views

### Using images as points in ListPlot

I am trying to make a ListPlot with a bunch of points, each of which I want represented with a distinct image (e.g. *.png). I'...
47 views

### removing singularity

i got help from other members to plot this equation. but there is still a problem. when i plot this equation. ...
778 views

### How to stretch this Venn diagram?

I am trying to duplicate (approximately) the following Venn diagram in Mathematica: I have used the top of this page as a guide, which showcases the following Venn diagram triplet: ...
63 views

### Sort Data Sets by Lines/Neighbours

I have several sets of data which together yield Fig. 1. As can be seen from the colours of the dots, the data sets are mixed, but do obviously belong to several distinct lines. My question is: How ...
196 views

### How to display images inside Mathematica with matplotlib

How to display images inside Mathematica with matplotlib. A new window is generated by default, but is it possible to display the picture directly in the notebook? Like this: related: How to ...
75 views

### How to remove duplicate points from a plot

I have this equation and I want to draw the contour plot. ...
35 views

### How to change the color of contour values?

I have contour plot and I want to change the font color of the contour values. meanwhile, changing the background to white. can anybody help? this is what I've found. but it only gives 9 contours, I ...
73 views

### Obtain only positive complex solutions

By setting the determinant of a matrix to 0, I obtain 6 complex solutions for w and plot them. However, You can clearly see that the negative solutions mirror the positive solutions as the solution ...
211 views

### Handling concavity in ListContourPlot

I have imported some CFD results (in csv format) into Mathematica to do some further processing of the data. One of my 2D geometries is, Now, when I try to do the contour plot, I get the following: ...