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

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3
votes
1answer
106 views

How can I draw a histogram from a nested list?

I have a nested list of the form list= {{1,1,1},{1,2,3},{1,1,1}} How can I plot a histogram that tells me how often each number pattern appears in my list? For ...
1
vote
2answers
96 views

How to contour shade two specified contours?

I want to have contour shading between two contours specified by two equations like below, ...
4
votes
1answer
178 views

Arrowheads in VectorStyle and StreamStyle doesn't work properly in VectorPlot and StreamPlot, respectively. A bug?

I'm using Mathematica 10.0.2 for Mac. Arrowheads given in VectorStyle for VectorPlot doesn'...
5
votes
1answer
597 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
55 views

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

I have the following mathematica expression: ...
0
votes
1answer
92 views

How can I combine two plots? [closed]

I am interested in plooting x only from 0 to 1, and afterwards x^2, only from 1 to ... whatever ...
0
votes
2answers
106 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 \...
0
votes
2answers
80 views

Returning value if a point is in a region?

I'm writing a function so that if the user clicks on a certain region, a value is returned. The function takes in a condition list like the one below and a point. ...
2
votes
1answer
165 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
334 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
590 views

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

How do I plot a list of points without connecting the dots in WolframAlpha? I tried, for example, ListPlot[{{1,2},{5,3},{6,5}}],...
1
vote
1answer
123 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
237 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 ...
-1
votes
1answer
56 views

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

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
1answer
110 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
192 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: ...
2
votes
0answers
52 views

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

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
217 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
364 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 ...
6
votes
3answers
201 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
37 views

How to label/color multiple plots, generated by Table? [duplicate]

I have plotted ...
3
votes
2answers
341 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
214 views

DateListPlot: Highs and Lows

I have this data: ...
0
votes
1answer
70 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 heatmap/...
1
vote
1answer
56 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
98 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
80 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
166 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
137 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 ...
1
vote
1answer
81 views

A With and ContourPlot difficulty

Consider: sys = {u (1 - u + a v), r v (1 - v + b u)}; With[{a = 2, b = 3, r = 1}, Evaluate[Thread[sys == {0, 0}]]] Which gives the output: ...
0
votes
4answers
143 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
83 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 & ...
3
votes
3answers
303 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
169 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 ...
3
votes
1answer
266 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 = 0.4 p(1 - p/30), 0 <= t < 5 and 0.4 p (1 - p/30) - 0.25 p, t > 5
6
votes
2answers
223 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 ...
2
votes
1answer
98 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 ...
4
votes
2answers
134 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: ...
2
votes
2answers
392 views
0
votes
1answer
126 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
530 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 ...
5
votes
1answer
216 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 ...
1
vote
0answers
38 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 ...
1
vote
1answer
66 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 ...
5
votes
3answers
318 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 ...
0
votes
1answer
70 views

Plot an ODE solution for a list of specific constants [closed]

Let's say I have a 1st order ODE and want to plot the solution. What I have been doing until now is: ...
1
vote
1answer
147 views

Change numerical plot labels on one axis to strings

This question likely has a straightforward answer. Suppose I have a plot something like this: ...
2
votes
1answer
107 views

Generating by plots by rerunning code

I am new to Mathematica. I created a code where I can evaluate a parameter (denoted by PoA) for a random instance of a directed acyclic graph. The code is below. ...
0
votes
2answers
255 views

Use a Module to return multiple plots

A program I'm running requires me to generate multiple plots over the same domain, so I thought it would be fairly simple to use a module and bury all of the plot commands within that that way I only ...
0
votes
1answer
73 views

How to combine 2d and 3d plots with this code [duplicate]

I found a picture for example in google and I want to do with my code like that: And here is my code: ...