# Tagged Questions

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

177 views

### Arrowheads not quite working as expected

I apologize if this question already has an answer, but my search has yielded no results, and I can't seem to figure out what's wrong with my code, so I thought I'd ask here. I'm using Mathematica 10: ...
195 views

### How do I execute a block of code multiple times? [closed]

Rudimentary pseudoconceptial question: I have a specific block of code that uses random variables and generates a plot at the end based on random code. I want my code to run 10 different times to get ...
185 views

### Vary the color of a 2D scatter plot [duplicate]

This is what I want. I want to change the colors as I progress through a list.
579 views

### Why does PlotRange in DensityPlot have no effect

It looks like DensityPlot and ListDensityPlot automatically clip the plot range to the min and max value of the data, when ...
245 views

### Rotation of a cylinder around its vertical axis [closed]

I want that that cylinder plotted by RevolutionPlot3D[{Sin[t], Cos[t], u}, {t, 0, 2 Pi}, {u, -10, 0.02}] to rotate around its vertical axis. If possible I want ...
852 views

### How to obtain adaptive sampling as in Plot function?

Adaptive sampling in Plot function can capture the oscillation of a function with very few points. How can I get a similar sequence of point pairs without using <...
126 views

### How can I plot more regression trend line in the same graph?

I would like to do something like the example I drawed manually: ...
210 views

129 views

### Plot a function with a discrete part

I would like to plot a function like this one: ...
144 views

### Trapezoid approximation to definite integral

This question is related to Graphically approximating the area under a curve as a sum of rectangular regions. I now was trying to adapt the code by MarcoB to get the approximation of the integral by ...
63 views

### Clicking on a point on a plot [duplicate]

I want to click on a plot and have the pointer snap to the actual curve displayed. I found ways to click any random point on the plot but I want it to only click on actual points on the curve. I want ...
312 views

### NonlinearModelFit and plot with multiple parameters function

i ve got quite simple function: $f(t) = x1 * a(t) + x2 * b(t)$ and table of results like this one: t | f(t) | a(t) | b(t) ---------------------- 1 | 2 | 5 | 3 ---------------------- 2 | 4 ...
606 views

### Graphically approximating the area under a curve as a sum of rectangular regions

I am completely new to Mathematica. Basically I was trying to write a code to plot a function and draw the approximate area by rectangles. To be more precise, plot a function ...
434 views

### How to combine ParametricPlot and RegionPlot?

I have two implicitly defined equations. I plot the implicit curve using parametric plot. ...
83 views

### TicksStyle in RegionPlot

How does TicksStyle work in RegionPlot? The below does not work: ...
213 views

### Is there a good reason for the removal of this FrameTicks syntax?

In past versions of Mathematica one could use a terse syntax for FrameTicks: {bottom, left, top, right} In 10.1 this syntax is no longer recognized requiring the ...
331 views

### Using mathematica to visualise solution of vectors and planes

Im struggling with a question I'm my math book and I wanted to use mathematica to visualise it for me, the problem is that I don't even get something remotely similar to what I was expecting. How here ...
275 views

### Solving a system of ode and plotting the nullclines

I have the following problem to solve it is a system of two ode's. I'm given that q=2/Sqrt[1 + 1600 y] and then the ode's are as follows. ...
923 views

### Switch from logarithmic to linear scaling partway along a plot's axis

In the 2015 Planck satellite results, they give the latest plot of the temperature power spectrum of the cosmic microwave background, which I show below. (I am only interested in the main plot; you ...
189 views

### Quantile-quantile plot [closed]

Am I right that this code: QuantilePlot[data, NormalDistribution[Mean[data], StandardDeviation[data]] will return QQ plot of the sample quantiles of our data ...
522 views

### How to plot a 3D surface from an Excel matrix, using column and row headers as axis labels

I am trying to use Mathematica to plot a surface chart similar to the ones that are created from Microsoft Excel. The point is to be able to easily colorize and manipulate the plot by free 3D rotation,...
122 views

### Problem with 3D surface disconnections [duplicate]

I have a problem with a 3D surface in Mathematica 10.1. The problem is that the surface comes out disconnected even if it shouldn't. Here's a minimal toy example showing the problem: ...
234 views

### Highlight selected points in a plot

I need to change color to selected points dynamically in my plot. ...
275 views

### How to export plot legend independently?

Let us take an adapted example from Mathematica doc's: ...
116 views

### Interactive level sets of polynomials

I'm new to Mathematica and I need some help with the following problem. I would like given some positive integer n, to have mathematica plot the level sets of a (say monic) polynomial of degree n, p(z)...
579 views

### Axis label shifted in 3D plot

Does anybody know why the axis label is shifted in this plot? Probably because of the different lengths of the labels of the ticks? How can I have the axis label in the middle of the axis? The code ...
126 views

### HoldForm gives tick labels in Plot without multiplication sign

When plotting in Mathematica, HoldForm[-5*10^6] gives $-5\: 10^6$ as the label of the axis, i.e. without the multiplication sign. How can I get $-5*10^6$ as output? ...
119 views

### How to plot a finite number of vectors?

does anybody knows how can I plot one or two vectors? (I don't want to plot the vectorial field)? My target is to plot the electric field produced by a circle on a point and show how the point moves. ...
74 views

### Fail to plot this implicit function [closed]

So I need to plot an implicit function and I used the following but ended up with an empty plot: ...
761 views

### How to define the step size in plotting some graph in mathematica?

I want to plot some function . The code is given below. f = 10000000; v0 = 8.7; T = 1*(1/f); v[t] = v0*Sin[2*\[Pi]*f*t]; Plot[%, {t, 0, T} ] Now the plot will ...
105 views

### Cannot find a way to display an adjacency matrix [closed]

I have a question about face adjacency graphs. Suppose that I have an adjacency matrix How can I plot something like this?? I tried and it looks too messy. What may be the resulting graphic? Thank ...
49 views

### Plot with Epilog doesn't show up in Show [duplicate]

I start with: With[{r = 0.3, q = 10}, ans = NSolve[r u (1 - u/q) - u^2/(1 + u^2) == 0, u] ] Then: ...
265 views

### Overlapping Spheres with a Shared Blank Region

We have two similar overlapped spheres in a way that the distance between their centers is smaller than the sum of their radius (2R>a). As I show here: Also, we want to draw them in a such way that ...
97 views

### Plot zero contour of a function of two variables [duplicate]

I have F[x_,y_] = f(x,y). I would like to solve (numerically) F[x,y] == 0 to give x as ...
61 views

### Creating separate graphics

I am using the command lines: data = Import["file*.txt", "CSV"] ListLinePlot[data] to plot lists of points. As you can notice, my file name is ...
567 views

### Plotting points from file

How can I plot points (for example {{1 , 1}, {3 , 7}, {5 , 5}}) having as an input a file which contains the points coordinates ? And is there any way to draw a ...
269 views

### ParametricPlot3D of Boy's surface

I'm trying to visualize Boy's surface using Bryant's parametrization, as per the MathWorld article. However, I'm not sure I understand the parametrization, and I don't know how to implement it when ...
382 views

### Animation of a plane wave

I want to animate in 3D the plane wave $\sin(\omega t+kx+\phi)$, but following the form from the documentation, I can only make $k$ or $\omega$ vary, and I want $t$ to change. How do I do that?
84 views

### Table of ParametricPlots crashes Kernel

I can usually crash the Mathematica Kernel by using Table to generate a List of ...
63 views

### Solve system of differential equations and show the chaotic behavior of the solutions [closed]

I want to solve a system of differential equations and show the chaotic behavior of the solutions. Here x[t], y[t] and ...
214 views

### How can one plot percentage chart of continuous functions?

I know you can plot percentages using stacked histograms like this: data = RandomReal[1, {10, 5}]; BarChart[#/Plus @@ # & /@ data, ChartLayout -> "Stacked"] ...
331 views

### How do I find the area between two polar curves?

More specifically above r=6 and below r=4+4cos(θ) graph of the two curves PolarPlot[{6, 4 + 4 Cos[t]}, {t, 0, 2 Pi}]
170 views

### Plotting Minimize output for a range of constraint values

I want to plot the minimum of a function returned by Minimize over a range of constraint values. ...
369 views

### How do I produce a BarLegend with the default coloring of a ContourPlot, using Legended?

I have a series of ContourPlots that I want to compare in a GraphicsRow environment. I want to add a single legend for all three ...
144 views

### Axis label obscuring tick label

I have a plot and have applied options to customize the axis labels and ticks. ...
I am trying to create a Lyapunov exponent plot as a function of $\alpha$ for two functions: $$f(x) = (\alpha + 1)x - \alpha x^{3}$$ and a piecewise function given by following Mathematica code: <...