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

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0
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1answer
24 views

Trapezoid approximation to definite integral

this question is related to Basic question on defining more rectangles. I now was trying to adapt the code by MarcoB to get the approxiamtion of the integral by trapezoids, and I used the function ...
1
vote
0answers
31 views

Clicking on a point on a plot

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 ...
1
vote
2answers
71 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 ...
9
votes
4answers
283 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 ...
-3
votes
0answers
43 views

slope of tangent at each point

Is there any code to find the slope of tangent for each point ...
7
votes
3answers
163 views

How to combine ParametricPlot and RegionPlot?

I have two implicitly defined equations. I plot the implicit curve using parametric plot. ...
0
votes
0answers
31 views

Plotting solutions to NSolve [on hold]

I have a three variable equation that I want to plot the possible values of. So far I've put in ...
0
votes
1answer
26 views

TicksStyle in RegionPlot

How does TicksStyle work in RegionPlot? The below does not work: ...
11
votes
1answer
125 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 ...
1
vote
3answers
176 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 ...
0
votes
1answer
36 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. ...
19
votes
2answers
437 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 ...
0
votes
1answer
86 views

Quantile-quantile plot [on hold]

Am I right that this code: QuantilePlot[data, NormalDistribution[Mean[data], StandardDeviation[data]] will return QQ plot of the sample quantiles of our data ...
1
vote
1answer
107 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 ...
0
votes
1answer
76 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: ...
7
votes
1answer
105 views

Highlight selected points in a plot

I need to change color to selected points dynamically in my plot. ...
4
votes
2answers
132 views

How to export plot legend independently?

Let us take an adapted example from Mathematica doc's: ...
2
votes
1answer
73 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, ...
4
votes
1answer
138 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 ...
4
votes
2answers
86 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? ...
1
vote
2answers
73 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. ...
0
votes
0answers
22 views

Some strange errors by using 'ContourPlot' [duplicate]

I try to plot the following: ContourPlot[Cos[x]^4 + Sin[x]^4 + 2 Cos[x]^2 Sin[x]^2 Sin[y]^2 == 1, {x, 0,10}, {y, 0, 10}] If I do so, I get: When I change now ...
0
votes
1answer
48 views

Fail to plot this implicit function [on hold]

So I need to plot an implicit function and I used the following but ended up with an empty plot: ...
1
vote
1answer
64 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 ...
0
votes
1answer
72 views

Cannot find a way to display an adjacency matrix [on hold]

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 ...
0
votes
0answers
40 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: ...
4
votes
2answers
133 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 ...
0
votes
0answers
48 views

Plot zero contour of a function of two variables

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

Plot a list of pairs as xy-points [on hold]

So I have a $X=N\times2$ matrix where the first column is my domain values and the second the functions values. I simply wish to plot this. For instance, I know I can use ...
0
votes
0answers
32 views

NDSolve for solving rate [on hold]

I tried to evaluate this code ...
-1
votes
0answers
19 views

My parametric plot isn't appearing [on hold]

I solved two differential equations of motion (x(t) and y(t)) for a projectile, but now need to plot the projectile for certain values. However, when I try to use Parametric Plot, the plot appears ...
0
votes
1answer
43 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 ...
1
vote
1answer
58 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 ...
0
votes
0answers
58 views

Plot all points that satisfy a condition [closed]

I'm interested in plotting various curves directly from their definitions, but I have no idea which function I'd use for that. For example, I'd try plotting a circle by telling Mathematica that a ...
3
votes
1answer
91 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 ...
1
vote
1answer
91 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?
1
vote
2answers
69 views

Table of ParametricPlots crashes Kernel

I can usually crash the Mathematica Kernel by using Table to generate a List of ...
0
votes
1answer
45 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 ...
3
votes
2answers
125 views

How can one plot percentage chart of continuous functions?

I know you can plot percentages using stacked histograms like this: ...
-3
votes
0answers
39 views

How to create Histogram from ordered pairs? [closed]

How do I plot ordered pairs that involve Data1 = {district1, 200}, {district2,300}, {district3,400} Data2 {district1, 900}, {district2, 1100}, {district3, 1200}
0
votes
1answer
19 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. ...
4
votes
1answer
38 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 plots. Also, I really like the standard color scheme of the ...
6
votes
1answer
83 views

Axis label obscuring tick label

I have a plot and have applied options to customize the axis labels and ticks. ...
1
vote
1answer
39 views

How to label 3D plot with specific variables

I have a plot of a function depending on two variables called l2 and l3. However, I would like to label the axes of the plot ...
4
votes
1answer
87 views

Lyapunov exponent plot

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: ...
0
votes
1answer
50 views

Plotting results of NIntegrate with variable integration limit

I have tried to use NIntegrate with variable limits and compute the following ...
-1
votes
0answers
34 views

Plot a simple curve [closed]

I would like to plot a simple curve and know the format but nowhere in the reams and reams of instructions do I see anywhere tells me where to put, say, ...
0
votes
1answer
39 views
0
votes
1answer
53 views

Animation stays blank during animation

In attempting to answer this question about animating a rolling disk, I constructed a ParametricPlot to Animate. The plot looks ...