# 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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### How to plot the phase portrait of a second-order differential equation?

I am relatively very new to mathematica, but I have been trying to figure this out for hours. I have a second-order differential equation, $$x''+5x'+3x-x^2=0$$ and I have converted it into a first-...
25 views

### Inputting a function into frameticks with ArrayPlot

Here's some data: data={{1,2,3},{2,3,4},{3,4,5}} Here's the data plotted: ArrayPlot[data,FrameTicks->Automatic] I want to ...
29 views

...
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### Combine TimelinePlot and DateListPlot

I want to combine a TimeLinePlot and a DataListPlot. For both I use the same periode. The problem is that both X-axis differ ...
34 views

...
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### Unexpected behavior of Exclusions in ParametricPlot

I'm using Mathematica to prepare some teaching materials based on the discussion of the damped, driven pendulum in Chapter 12 of Taylor's Classical Mechanics. This involves using ...
124 views

### 3d system: stream plot and function

I have a 3D ODE-system $$x'=f_1(x,y,z),\quad y'=f_2(x,y,z),\quad z'=f_3(x,y,z)$$ living on the sphere and an equilibrium $(x_0,y_0,z_0)$. I would like to plot a function $V(x,y,z)$ to see whether t ...
30 views

### How can I plot this function with multiple indices?

$\prod_{p=4}^{10}\prod_{q=1}^{p} \Big[|\sum_{j^p_q=4}^{p+1} (i Sin \theta)^{|p-j^p_q|}|\Big]$ The summation is indexed by $j^p_q$, where p and q are defined by the product rule. I was planning to ...
100 views

### Using Manipulate[] to manipulate Plot[] min and max values

I have code: Plot[y = -3*x + 2, {x, -10, 10}, AspectRatio -> Automatic, PlotRange -> {{-20, 20}, {-20, 20}}] output: Now I want to use ...
31 views

### How can I fix the alignment of complex combinations of GraphicsGrid / GraphicsRow plots?

I am having problems joining multiple plots using GraphicsRow and GraphicsGrid. The issue is that Mathematica (v12.1) rescales arbitrarily my plots when I try to combine them. The issue arises when I ...
23 views

### How to smoothen the mesh lines of a translucent sphere

This code generates a nice sphere with distorted mesh lines, in the sense that they are not smooth enough. One can clearly see many disjoint lines trying to imitate a curve. I would like a smoothened ...
44 views

### Is it possible to use ContourPlot for specific eigenvalue of a large matrix Mn(x,y)?

I have a large matrix, say En En, as a function of two variables x and y which has ...
55 views

### Plot a Complex Polar Number as Magnitude Arrow and Phase Dot on a Circle

Given a complex number, z = r*exp(i*psi), how can I use Mathematica to plot the magnitude and phase on a circle? I've put together an example using the following ...
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### Drawing a Sphere and ParametricPlot3D [closed]

I want to draw a sphere and a parametric curve, but the output doesn't show the parametric curve. ...
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### How to plot like Plot[Expand[Solve[some equation]]]? [closed]

I have code: Expand[Solve[6 x + 3 y == 5, y]] output: $\left\{\left\{y\to \frac{5}{3}-2 x\right\}\right\}$ I also have code: ...
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### Plotting horizontal and vertical lines

If I run: Plot[y = 10, {x, -3, 5}] output: If I run: Plot[x = 10, {y, -3, 5}] I am getting exactly same output as in ...
19 views

I have code: ...
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### Problem With Filling

I am plotting the graph of the logistic equation in a manipulate. My borders range from {x, 0, 100}, {y, 0, 100}. I would like to fill the background of the plot with a light grey color, almost ...
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### How to plot the solution of Systems of Differential Equations vs time?

I,have recently downloaded a Mathematica code.This code prints (Phi^2) for each time, But i'm trying to integrate "n*phi^2" over [-q q] for each time step and plot it vs time (ex:t= 0:1000).How should ...
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### Stuck at trying to plot a dispersion relation EM wave

We are considering the matrix transformation of an electromagnetic wave through periodic media. The constant is given as: ...
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### How can I translate months in DateListPlot?

In this plot example, I get the months in English abbreviation: DateListPlot[{#, RandomReal[]}&/@DateRange[{2020,1,1}, {2021,01,31}, "Month"]] How can I ...
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### Is it possible to use other varibles to color a line when using ColorFunction?

I know that in Plot or ListLinePlot functions, we can color the line by specify the ColorFunction option, and then the line will ...
70 views

### Slope Fields in Mathematica and Sketching Appropriate Solution Curves

How would I plot the differential equation dv/dt = 32-1.6v, where v(0)=0 I also need to solve for the limiting velocity. I am having a hard time figuring out how to find the limiting velocity. I ...
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### 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 image =; cc = ColorConvert[...
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### Insets hides behind a surface

MacOS, Version 12.1 In the following code, the "Hi" is above the surface, but you still can't see it from above. ...
237 views

### How to plot a system of recurrence equations

I have the following code working well ... but I would then like to plot M[k] and L[k] on the same axes with k along the horizontal and M[k] and L[k] values along the vertical. The graph I'm looking ...
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### defining constants and plotting them

I want to plot some functions and define some variables as constants, apparently the variables are not being recognized as constants. I'm kinda new to coding so this is very difficult to me. this is ...
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### How can I plot a parametric equation with ±?

I want to draw a parametric equation with ± like the figure below: But I don't get the result I want when I run the following code. What can I do to get it? ...
35 views

### Having trouble drawing a llama using a Fourier transform in Mathematica. Works fine in p5.js, though

I am trying to draw llamas with the discrete Fourier transform on sample complex points of an SVG image of a llama. In my Javascript code (using the p5js. library) I sample points from the SVG and ...
195 views

### Why can't an annulus be mapped as a rectangle

The following code is used to map an annulus to a rectangle: ...
41 views

### plot discrete system by mathematica

if I have a discrete system x(n+1)= 0+y , y(n+1)= -0.5x +0 The fixed point (0,0) is center by Jacobian., I do not know how Plot this by using Mathematica code to get center. I am thankful if any one ...
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### Plot the solution for system of ODEs

I have solved this example available in MATHEMATICA: ...
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### Combining two plots with different x-axes and not labeling the x-axis

Below two figures are just for example. What should I do if I want to plot the two figures below on the same plot with the same y-axis only that the x-axis is also same but not labeled such that. As ...
117 views

### Mottled appearance of ContourPlot3D with transparency

I'm trying to make a ContourPlot3D that needs to be transparent. With transparency, however, something odd happens. With ...
42 views

### PlotRange prevents PlotLabels from displaying

(I am using MMA v.12.0.0 OSX.) It seems like PlotRange is preventing PlotLabels from displaying the labels of the curve which ...
49 views

### Floating point problem with plotting huge function [closed]

I am trying to plot a complicated function. In the end the plot does not look well and it seems like there is a problem with the precision. Short explanation for the following code: First I do ...
176 views

### Plot geologic profile of layers

I am trying to plot a set of layers with different values of densities (density profile). Geometry ({x,z} values) of 15 interfaces of layers look like this: while ...
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### On drawing Mohr's circle of spatial stress state with direction vector parameters l and m as parameters

The figure below shows the micro tetrahedron in an elastic body in equilibrium: In the textbook, I see the expressions of normal stress($\sigma_{v}$) and shear stress($\tau_{v}$) on the differential ...
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### How do I split up a list of data points into invervals and assign values to those intervals?

So I have a data set for chess and our goal is to plot the difference between the rating difference versus white's win rate. I want to subdivide the x-axis into intervals like (-10, 0) (10,20) (20,30)...
402 views

### Texture or shading to avoid requiring color printing

I am producing a graphic that is mostly black lines on a white background but I need to identify some areas of the graph that belong to two phenomena and I currently use a blue and a red shade for ...
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### Why is my plot hatched and how do I remove the hatched part of the plot? [closed]

Sorry for asking simple questions, I tried to solve it myself but I couldn't. I want to plot the following code, but the plot is hatched. ...
74 views

### ListPlot curves exceed PlotRange, thus overflowing the Frame

When I restrict the PlotRange in ListPlot and its variants (ListLogPlot, ListLogLinearPolt, and ListLogLogPlot), the curves are drawn well beyond the PlotRange, and thus well outside the Frame. Is ...
159 views

### Plotting severely distorted in V12.1 but works in V12

The following code can plot a surface in 3D (the plot) and also makes a row of two plots using ...
54 views

### How to recognize real parts of a function by plot?

I have this function f[x_] := ((2 x Cos[4 x] )/(1 + (x^2) ) + Sqrt[ Cot[3 x]^4 - (Cos[4 x]^2) (Csc[3 x]^2) ])/(4 /(x^2) + Cot[3 x]^2); where \$0<x&...
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### Plotting NDSolve solution does not cover all the integration domain

I have a set of four coupled Ordinary Differential Equations and I would like to solve it numerically with NDSolve. The explicit forms of these equations are not ...
192 views

### How does the undocumented option ScalingFunctions work with Plot versus ListPlot?

Say that I want to reverse the x-axis of a plot, there are a few solutions on here (like those in the answers here and here) but most of them are valid only for a ...
36 views

### AxesLabel -> Automatic behave strange

MMA version 11.3 & 12.1 ...
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### Add tick at zero with label 0

I am trying to get a label "0" at the origin to display. Currently it is not displaying (code below). Other tick labels work fine, just not at zero. I suppose I could use ...