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

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5
votes
0answers
64 views

How to plot the solution of a Partial Differential Equation?

My attempt. I need to solve numerically the Complex Ginzburg-Laudau Equation (CGLE): $$ \frac{\partial A}{\partial t}=\epsilon A-(1+i\beta)|A|^2A+(1+i\alpha)\nabla^2A $$ I'm using a uniform initial ...
0
votes
0answers
49 views

How do I plot an expression in mathematica? [duplicate]

I have the following mathematica expression: ...
-4
votes
1answer
33 views

Plotting various circles [on hold]

I want to plot various circles in the same graphic using the command Circle. I mean, something like: Does anyone has an idea?
0
votes
1answer
44 views

How can I combine two plots? [on hold]

I am interested in plooting x only from 0 to 1, and afterwards x^2, only from 1 to ... whatever ...
0
votes
2answers
51 views

Plotting vectors using derivatives

This question stems from a previous question I asked here: Multiple Integral of equation including dx prime? An equation describing a gravitational field of a cuboid is given as: $V(X,Y,Z) = -G\rho ...
2
votes
1answer
112 views

Plot a data of four dimension

I have a confusion recently about the visualization of data.the data you can get here.The construction of data is four dimension,like as {x,y,z,color},this is my current solution. ...
0
votes
1answer
70 views

Arbitrary hollow cylinders in mathematica 9

I'm having trouble displaying a hollow cylinder in Mathematica 9. A hollow cylinder looks like this: I tried to use RevolutionPlot3D with a step function. It ...
1
vote
1answer
46 views

In WolframAlpha, how can I make a Scatter Plot without connecting points? [on hold]

How do I plot a list of points without connecting the dots in WolframAlpha? I tried, for example, ...
-2
votes
0answers
92 views

How to compute and plot an intersection?

When two surfaces (ParametricPlot3D based on two independent parameters or a CountourPlot3D or a Monge Plot3D with known formula) are placed and plotted together, how is the intersection line ...
0
votes
0answers
23 views

STL exports as flat rectangle

I have this code to graph a 3D surface and fill it to the axis: ...
1
vote
2answers
111 views

How can I reshape my solutions to make a 3D plot?

I need some help on the following. I need to run Solve for multiple values of a and b. To do so instead of using Do, I use ...
7
votes
1answer
67 views

Applying a texture to part of a sphere

I am trying to texture a sphere with a picture of myself. I don't want it to be stretched across the whole sphere but only to appear on the front. I used ...
0
votes
0answers
17 views

How can I get the 1-ring neighbor of mesh triangle?

I have an .obj file. I import it into my mathematica and get the vertices and also triangles as follows: ...
-2
votes
1answer
33 views

Use two functions for x and y coordinates for a plot [on hold]

I try to make a plot out of two functions. It is a cycloid I want to plot. These are my two functions: ...
0
votes
0answers
49 views

Phase space plot [on hold]

I solve a dynamical system problem using NDSolve. I plot the results using ParametricPlot. Is there any way that I could get a ...
-4
votes
0answers
27 views

Plot a simple line x=t^3 + c [on hold]

I know mathematica has a plot function but it's not giving me what I want. Using the above equation, how do I get Mathematica to generate a plot of lines for different t and c values?
0
votes
1answer
28 views

Sampling Points Between Two Functions and Plotting Sample Points? (I have partial code) [duplicate]

I want to sample random points between $Cos(x)$ and $Sin(x)$ on $0 \le x\le \frac \pi4$ I was able to do graph the function here in Mathematica. I would like to count, and then plot points between ...
1
vote
1answer
92 views

How to combine VectorPlot and Plot3D

I have a problem with VectorPlot and Plot3D, and I have a code for both but I dont know how to plot the same figure. Here is the code for Plot3D: ...
1
vote
0answers
33 views

How to convert a list of polynomials into a list of equations and plug into Contourplot?

Given a list q of polynomials (output of GroebnerBasis) in two variables I want to transform the list into a list of equations and plug it into CountourPlot. For ...
3
votes
1answer
69 views

Put labels sloped along axes in ListPlot3D

The three text labels in the following figure are all in horizontal direction. How to put the labels sloped along each axis to which it is attached? My Code ...
1
vote
2answers
91 views

Get Y-Axis of FFT in decibels

I am trying to make a plot of a sound file similar to Audacity's FFT plot which looks like this when the x-axis is on a log scale: My plot of the same sound file (below) has the problem that the ...
3
votes
3answers
85 views

Choosing which edges of the box to show in 3D graphics

Is there a way to explicitly choose which edges of the bounding box to show when plotting something with Boxed->True? For instance, a plot like ...
0
votes
1answer
29 views
3
votes
2answers
119 views

Plot contours for 3d histograms

I have a data set which is a list of pairs. From this I can easily make a 3d histogram with Histogram3D[data] or a smoothed ...
5
votes
4answers
188 views

DateListPlot: Highs and Lows

I have this data: ...
0
votes
1answer
37 views

How to put a threshold in a DensityPlot?

I've a function of two variables f(x, y) which assumes values between 0 and 1 only in a certain region of the domain of the R^2 space, i.e. x ∈ (1, 2) y ∈ (0, x/2) I'm interested in a ...
0
votes
0answers
28 views

Raw object cannot be used as an iterator error while plotting [on hold]

I have a function ρ[θi] that is an integral. The function is also a function of another function, which also depends on θi. ...
1
vote
1answer
35 views

ContourPlot:show only one of multiple solutions

I have two functions with two parameters (p & x). I am looking for the values of "x" that makes the two functions to be equal, varying "p" from 0 to 1. I have two solutions for this implicit ...
1
vote
2answers
50 views

RegionPlot after Reduce

I have a problem in this form To solve this I have tried this f1[y_] := 2 - (y - 1)^2; f2[x_, y_] := x + 1 - (y - 2)^2; f[x_, y_] := Max[f1[y], f2[x, y]]; The ...
1
vote
2answers
34 views

Evaluating and Plotting Multiple Zero-Counting Functions

In work that I am doing, I am trying to plot multiple zero-counting functions, depending on how a parameter works. For example, if the zeros of one function are {1, 2, 3, 4, 5, 6, 7}, the zeros of ...
3
votes
3answers
113 views

How to use PlotMarkers or Mesh with Plot to creat Marks on the plot

I have a plot and I want to format it for journal paper. I just realized how hard to format a plot for academic purposes using MMA. For example: I want this plot ...
1
vote
1answer
43 views

DensityPlot colours symmetric around zero

I have some function of two variables (which happens to be the error in some approximation I'm interested in). I'd like to get a density plot of the function, such that in regions when the function is ...
0
votes
4answers
76 views

Family of Lines

I need to draw a family of lines connecting (a,0) and (0,b), where a+b=2, and determine an equation for the envelope of this family of lines. I need to do this in mathematica and don't know where to ...
0
votes
1answer
56 views

How to draw a 3D Plot with non-numerical axes?

I've got a CSV file that looks like this: c1,c2,m1,m2,m3 'a','b',1,0.5,4 ... 'x','y',10,100,4.21 Where c1 & ...
2
votes
3answers
138 views

How to plot functions in multiple coordinate systems

I´m curious if is it possible to plot in: A. two different Cartesian coordinate system who share the same plane but have different origins and rotation. The visualization should preferably resemble ...
1
vote
1answer
43 views

Why wrapping this ContourPlot inside a Manipulate changes its output into something unrecognizable?

I am a bit puzzled: I wrap the same exact ContoutPlot inside a Manipulate, and it looks all wrong (I don't know what it's drawing but it does not look like the zeros of my polynomial). What am I doing ...
0
votes
1answer
38 views

How I can make the StreamPlot of this differential equation?

I need the StreamPlot of this differential equation but I don't know how. dp/dt=0.4p(1 - p/30), 0 <= t < 5 and 0.4p(1 - p/30) - 0.25p, t > 5
6
votes
2answers
122 views

Adding annotations to plot with vertical leader line to the curve

I am working with some GPS data for a bike trip I am going on. All the routes are given so it's easy to simply follow the line on your GPS. I am looking for a way to visually summarize information ...
0
votes
0answers
61 views

Double scale for both x and y axis [closed]

I need my graphics to display double scales for both the x and the y axis. I have been trying to use the method explained by Mr. Wizard here: Two x-axis with different units connected by function ...
2
votes
1answer
51 views

Combined ListPlot3D using arrays of different length

I have three parts of a ListPlot3D that I would like to combine. The problem is, the middle part has more points in one dimension than the other two, which means I can't combine them easily to plot ...
1
vote
1answer
43 views

Imaginary terms in the derivative of Jacobi theta function (2) on the real line

I am trying to calculate/plot the derivative of the second Jacobi theta function $d\theta_2(0, e^{-\pi t} )/dt$. Calculating or plotting the function itself works fine: ...
0
votes
1answer
52 views
0
votes
1answer
59 views

DiscretePlot - adjusting the scale on Y axis to log with prescribed spacing

I have this picture of a residual Plot I am trying to reproduce (Y axis scale should be the same as in my plot): The code I ...
1
vote
2answers
74 views

Controlling colors of points in ListPlot

I have a collection of points I want to plot using ListPlot[]. I would like each individual point to be a certain color depending on a key value that is based on a list separate from the points. As a ...
4
votes
1answer
68 views

Problems with TimelinePlot

I'm trying to play with the example in this recent blog post, but I'm having a few basic issues with TimelinePlot: Labels are getting cut off: How can I get ...
0
votes
0answers
28 views

How to append when function outputs are two different arrays?

I have written the following lines of code to generate two vectors $y$ and $poa$. I would like to repeatedly run different instances of the procedure, appending all the resulting $y$s to form one long ...
1
vote
0answers
30 views

Detecting deviations in a list of points [closed]

Say that I have a list of evenly-spaced points that I want to plot using ListLinePlot. To generate them, I am using a function that works with relatively low ...
0
votes
0answers
29 views

RegionPlot3D exponentiation issue [Mathematica 10] [closed]

For some reason, the following code returns an empty graph: RegionPlot3D[x^2 + E^(y^2) + z^2 <= 1, {x, -2, 2}, {y, -2, 2}, {z, -2, 2}] But ...
1
vote
1answer
40 views

Plotting 2nd order ODE solution for specific values of constants

Suppose that I have a 2nd order, linear ODE and I want to plot the solution I found using DSolve. How can I plot giving specific values of ...
3
votes
3answers
106 views

adjust the alignment of different legends

I used Show to combine a ListPlot and Plot, and each plot has its own legend. The code is as ...