# 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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1answer
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### How to use a Table to generate numerical data from tridimensional scalar or vector function? [closed]

I am interested to generate numerical values for a scalar and vector function (both are complex functions). My question and concern are how is possible to evaluate if the functions have three ...
2answers
320 views

### Plotting Chebyshev polynomials using PolarPlot and FilledCurve

This question is related to this answer. What should I change in the following code to replace black color with blue color in the second image? ...
2answers
103 views

### How to set PlotRange->All for data with uncertainties and prevent cropping of error bars?

Mathematica 12 introduces built-in plotting support for data with errorbars. The following example looks good with the default settings: ...
1answer
35 views

### How to Plot modulo function Mod on a function of two variables? [closed]

I know that Plot[Mod[x, 2], {x, -6, 6}] is a Mathematica command to plot the remainder of x over 2 when I range x over reals -6 to 6. How do I plot the same ...
1answer
49 views

### How to plot only certain parts of list regarding a condition?

I have two lists which I transposed. Now, I need to ListPlot only pairs where both numbers are greater than 0 and skip those with at least 0 in pair. E.g.: to plot {1,5}, not to plot {0,20} etc. Can ...
2answers
61 views

### Mirror the plot at certain distance from the horizontal x-axis

How to have a reflected mirrored red line at a distance of -1 in the negative y-axis. ...
0answers
38 views

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1answer
33 views

### I only get a blank plane, no sign of linear equation. what's the problem here?

Try to plot this graph. A = {2 x + 2 y == 8, 5 x + 3 y == 15, x == 0, y == 0}; ContourPlot[A, {x, 0, 5}, {y, 0, 5}] I only get a blank plane, no sign of these 2 ...
3answers
698 views

### How to count points under the curve?

I need a formula to calculate how many points are there under the curve $y=x$.
1answer
41 views

### Optimization of numerical integration

I would like to ask for a help from community in the numerical computation of an integral and in the preparation of a contour plot. I have already done some work in this direction, but everything is ...
0answers
24 views

### Error visualizing with ListDensityPlot3D

I have list of data points having elements {x, y, z, F(x, y, z)}, which I want to plot using ListDensityPlot3D. (x, y, z) are the points on surface of sphere in cartesian system and F(x, y, z) is an ...
1answer
410 views

### General::ivar 0 is not a valid variable when using Series in Plot

I have been having some trouble graphing a Taylor series approximation (Series). ...
0answers
37 views

### ListLogPlot with Legends inside the plot frame

I'm trying to do ListLogPlot for the two lists of points ...
2answers
121 views

### Plotting the inverse function of a complicated function

So I have a function F[x_] = Assuming[{Element[x, Reals], -1 < x < 1}, Integrate[1/Sqrt[(x^2 - 1)^2 + alpha*x], x]] I'm now interested in the ...
0answers
27 views

### PlotLegend Colors Missing

I want a PlotLegend with the colors of the graphics. p4 = Plot[y1[t] /. s1, {t, 0, tmax}, PlotRange -> All, PlotStyle -> {{Gray}}, PlotLegends -> "Y1"]; ...
2answers
68 views

### Plotting amplitude vs frequency in Mathematica

I want to plot an amplitude vs frequency with this formula: By using this data: So it should look like this: Unfortunately, I don´t manage it to plot this. Could someone help please ?
2answers
32 views

### Two overlapping list: plot odd and even from each in different colors

I have two lists produce by a script that are most likely identical (but might not be). I would like to plot them using ListPlot[] in such a way to display only ...
0answers
42 views

### DSolve Varying Base on Implementation

I am trying to understand the behavior of a system of equations that is derived from: ...
2answers
65 views

### How can I plot a matrix with a two-dimensional color scheme?

Plotting a matrix with colors depending on the value of each entry is straightforward, ...
1answer
57 views

Sample data: ...
2answers
91 views

### How to plot all the points which satisfy equation/inequality in two variables?

I am new to Mathematica and I have two questions that I really appreciate if you can help me to solve them. 1) I want to plot all the points (x, y) which satisfy the following equation: ...
0answers
81 views

### Blank graph on offline mathematica

I am looking at the following plot: ...
1answer
58 views

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1answer
57 views

### Solve and plot PDE on restricted domain

I want Mathematica to solve (I used a picture since when I use mathjax code the editor here says I might be using wrongly formatted code...) So far, I have ...
2answers
35 views

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0answers
44 views

### Bifurcation diagram with two parameters [duplicate]

I have a question. In Bifurcation diagram of a difference equation I asked for one parameter. And now I am going to tell how do I make a bifurcation diagram of that function with two parameters? I ...
1answer
55 views

### How to plot a multivalued function in $\mathbb{R}^2$ using Mathematica?

First of all, consider the cubic equation $$x^3 + a = x.$$ Using Mathematica is easy to find real solutions of the above equation, ...
1answer
53 views

### Contour Plot of system of differential equation

I am trying to find the fixed points and plot the nullcline/contourplot for the system below, but I get conditional cases $$\frac{d\theta_1}{dt}= K sin(\theta_1 - \theta_2) - sin(\theta_1)$$ \frac{...
1answer
30 views

### How can I plot 3d surface plot together with 3d scatter plot in the same cube box

How can I combine them together in the same cube box ...
2answers
119 views

### Problem in styling a monochrome plot

I have a set of functions I have plotted them in one single figure. The following are my concerns. 1. I tried to fix the legends for this figure, but unable to do this 2. Is there any way that I can ...
1answer
55 views

### Scaling contour plot colors over several orders of magnitude

I have this contour plot that has values ranging from ~0.01 to ~100, however, there aren't distinct colors between every order of magnitude. I've tried putting a Log scale on the ...
1answer
93 views

### Solving Poisson's equation with two Dirac delta potentials

I am trying to solve $\nabla^{2}\phi(x,y)=V_{0}(\delta(x-a,0)-\delta(x+a,0))$ with boundary conditions $\phi(x=0,y)=0, \phi(x=b,y)=0$. Here $a=1, b=5$. How one can solve it numerically in Mathematica. ...
2answers
80 views

### How can I plot these straight lines in a picture?

How can I plot these straight lines in a picture? ...
1answer
150 views

### How to set FenceWidth in logarithmic plot?

Mathematica 12 introduced a built-in support for logarithmic plots with error bars. A plot with default styling looks as expected: ...
1answer
40 views

### Repeat PlotStyle for different functions [closed]

I am trying to plot a helicoid using Plot3D. I would like all the functions that make it up to appear the same. I am curious if there is a way I can do that ...
1answer
53 views

### How to test if two plots are the same (say, for unit testing)

I'd like to be able to test if two plots are the same. My use-cases involve plots that in one case might be of one type but in another of another type. Principally, I'm interested in the "calculus-...
1answer
21 views

### Plot: line colors when using assumptions

I want to vary a parameter via assumptions in a simple line plot and assign a different line color to each parameter value. Unfortunately all lines are the same color. I also tried to use Evaluate[], ...
1answer
36 views

### Labelling plots using list of images [closed]

I have plotted the following: ...
0answers
18 views

### Color of line in ParametricPlot according to indepedent variable

I solve a set of pdes numerically using NDSolve: ...
1answer
53 views

### How to place a two-dimensional contour map under a three-dimensional ascending contour map?

I want to place a two-dimensional contour map under a three-dimensional ascending contour map。I use “Texture” function wihch can not work against。 I want to like this picutre： ...
2answers
65 views

### Plots in Hammer projection [closed]

I have a function $f[\theta,\phi]$ defined on the surface of a sphere that I would like to plot in an equal-area projection ellipse. Surely there's a straightforward way to do this, but so far all I'...
1answer
65 views

### How to fine tune the style of IntervalMarkers -> “Bands”?

In Mathematica 12 I can use ListPlot to visualize uncertainty of tabulated data as bands. For example: ...
1answer
35 views

### How to plot multiple functions in a graph with different colors?

I have a general {i,x,y} dimensional matrix, and I want to plot all "i" {x,y} matrices in one graph. How can I do it in a way that I can still distinguish each "i"th curve from the other (I mean ...
3answers
303 views

### Issue with ContourPlot

I am trying to Contour plot the solutions "$x$" of an equation versus $k$ for some fixed $T$ values. However, the contour plot is giving incorrect plot perhaps due to some accuracy issues. e.g., at ...
0answers
27 views

### What is better here, PlotPoints or MaxRecursion?

I have some function f[x,y], with x ranging from 0.5 to 62.5 and y ranging from 10^-20 to 10^-5. Near x = 62 the function starts to increase very fast and takes at x = 62.5 some large finite value. I ...
0answers
51 views

### Plot of Laguerre-Gaussian wavefront

I have tried to plot the wavefront of a Lagherre-Gaussian bean, I know that to do that i have to plot the set of all points where the wave has the same phase. I have try to use the conditional If ...
2answers
132 views

### How to plot a crossection of a ParametricPlot3D?

I'm plotting a surface using ParametricPlot3D. Ideally I would like to plot an intersection of the surface with a plane just as seen in another question (Cross Sections or slices of 3d figures - ...