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

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7 views

Plot the lowest eigenvalues of a parametric matrix

The question here is somewhat related to the comments in Computing eigenvectors and eigenvalues I have a matrix M, say 400 by 400, and all elements depend explicitly on one parameter t in a ...
0
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0answers
10 views

Plotting huge amount of data with non-default colour function

I want to plot a huge amount of binary data (a 2700x2001 matrix, 5402700 points), and for that I am using the Graphics[Raster[]] function. With just that command, ...
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0answers
20 views

Manipulate axis scale on a ListPlot

Use this code to generate my problem ...
1
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2answers
59 views

Plot confidence interval around curve

I need to plot a confidence band around a curve in Mathematica, similarly to what done with r in the image below (from here). What is the best way to do it? My ...
0
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0answers
22 views

Mathematica showing wrong plot for function f(x) = 3/2 +( Sech[1/x]/x)^2? [on hold]

I tried plotting this function for a homework assignment and got some weird result, and putting the same function in to WolframAlpha gave me the correct answer. The function I'm trying to plot is ...
0
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0answers
42 views

All Graphics3D commands crash

Recently updated from Mathematica 8.0 to 10.2 running on Windows 7 (8.0 was uninstalled before installing 10.2). Anytime a 3d graphics is rendered, the first rendering in a notebook is completely ...
0
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0answers
32 views

function as argument in a package

I would like to customize the function DensityPlot and use it in a package as a function called MyDensityPlot: The functions ...
0
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1answer
98 views

ParametricPlot3D crashes Kernel when called repeatedly in loop

I have a parametric function surf[u,v]. It can be plotted successfully like this: ...
0
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0answers
53 views

How to calculate the slope in a data set plotted in ListPlot?

I am working with a large set of data that follows an exponential behaviour. My challenge is to create a function in Mathematica with these objectives: Retrieve the information from an Excel File ...
-3
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2answers
69 views

Plot of a function w.r.t x^2

I want to plot a function with respect to x^2 i.e., Plot[f(x),{x^2,0,1}], but mathematica is giving error. Suggestions please
6
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1answer
118 views

Constrain Locator to specified region

How can I constrain the locator to stay within the region defined by RegionPlot? When the Locator remains within the region, ...
13
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3answers
483 views

Particles bouncing in a 3D box

I made this Manipulate code which shows a pack of particles randomly moving inside a box. It has a huge performance issue. What should be the best way in doing ...
1
vote
2answers
67 views

Barlegend with a different z span for ListDensityPlot

I would like to rescale the colors in a plot and to do this in the same way for the color bar. (So this enables me to have the color bar span a (z) range larger than than the data itself.) I got this ...
2
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1answer
59 views

How to enlarge a specific part of a graph using Plot Command? [duplicate]

How to enlarge the closed curves of any Graph and Show them in a separate Graph within the ...
0
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1answer
69 views

Nested Tables and List Plot

Take two matrices which depends on three parameters i1,i2 and i3 m1 = {{i1, 0, 0}, {0, i2, 0}, {0, 0, 0}} m2 = {{0, i1, 0}, {0, i2, 0}, {0, 0, i3}} I am using a ...
6
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3answers
210 views

What's wrong with naming a rule?

Please have a look at the code below. The second Manipulate uses the name rl of the replacement rule given in the first line, ...
2
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0answers
92 views

What is a good way to model fluid stream contours around airfoils?

I am an undergraduate student and am doing a project on conformal mapping for my complex analysis class. I have had one heck of a time trying to plot stream function contours to model fluid flow in ...
3
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3answers
126 views
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2answers
110 views

How to do a parametric histogram?

Is it possible to draw a spectral histogram from two random sets ? More specifically, I have these two random functions (fmin, ...
8
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0answers
119 views

Exporting a high-resolution GraphPlot of a very large graph (65,536 nodes)

Problem I have a very large graph of 65,536 vertices. GraphPlot yields: But the vertices are too dense to see in any detail, and attempting to use any of the ...
2
votes
1answer
100 views

Seeing coordinates in Graphics3D

I'm writing some structures built up from different strings that specify the coordinates of the lines. The code used to generate these is built up from a ton of user defined functions from my library, ...
1
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2answers
66 views

Recreating a ContourPlot3D using points

Let's define a three-dimensional surface ...
-1
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1answer
38 views

rescaling X axis

I have a pretty simple code, working fine and producing a plot that is ALMOST what I desire: ...
1
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2answers
84 views

Plotting logistic maps

I have a question about plotting in Mathematica in general, and this particular recurrence relation as an example: $\qquad x _{n+1} = rx_{n}(1-x_{n})$ How can I plot the following plots as shown ...
1
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1answer
39 views

List of Inequalities in RegionPlot with different colors [duplicate]

Starting from the example of the Documentation: RegionPlot[{x^2 < y^3 + 1, y^2 < x^3 + 1}, {x, -2, 5}, {y, -2, 5}] Which gives a nice plot with two ...
0
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1answer
41 views

Plot for function that calculated direct with while, but is piecewise

For this question Use of {FOR, Do, If,Plot} that ..., I wrote this code: ...
0
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0answers
26 views

Plot3D gives an empty box [on hold]

I have two questions. I am trying to 3d plot a function like in the image below. It gives an empty box displaying no results. I tried adjusting the graphic qualities, but it does no solve the ...
6
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2answers
113 views

Bar chart scale in multi-chart visualisation

This is a rewording of a previous question which probably wasn't very well explained, and so didn't get any responses(!). I'm trying to create a chart which shows the smooth kernel distribution of ...
2
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0answers
66 views

Complicated implicit plotting - can it be tackled?

I'm quite new to Mathematica and have already spent tons of time on problems of this type, browsing through tutorials and topics here. I'm now coming to conclusion that it cannot be done and am about ...
-4
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0answers
79 views

Bifurcation diagram for delayed dynamical system [on hold]

The delayed dynamical system describe as $\dot{x}(t)=y(t)-ax^3(t)+bx^2(t)-z(t-\tau)+I \\ \dot{y}(t)=c-dx^2(t)-y(t)\\ \dot{z}(t)=r[s(x(t)-e)-z(t)]$ where $a=1.0; b=3.0; c=1.0; d=5.0; r=0.006; s=4.0; ...
1
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1answer
73 views

Plotting a convex hull with a coordinate mesh

I am plotting the convex hull of some curves by extracting the curves from a contour plot and constructing the convex hull around their discretized version . It's not terribly accurate for ...
9
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1answer
185 views

Odd Coloring with GeoRegionValuePlot

Bug introduced in 10.0 and persisting through 10.3 or later Bug behavior is version dependent When I'm plotting data with GeoRegionValuePlot, I'm getting some ...
0
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0answers
34 views
-4
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1answer
61 views

what is wrong with this plotting code? [on hold]

Heres the question: The region bounded by f(x) = x+2 and g(x) = sin(x) between x = 0 and x = Pi/2 i. Plot the region on the interval [0,Pi/2], between y = 0 and y = 4. ii. Find the area of the ...
18
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2answers
542 views

Where can I get detailed information on how the Plot command works?

The command Plot[x^2, {x, -3, 3}, PlotStyle -> Arrowheads[{-.025, .025}]] /.Line -> Arrow produces this output. What I don't understand is what ...
3
votes
2answers
242 views

Extracting RGB color code from a plot

I have let Mathematica to draw a plot of some functions written as below: ...
1
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0answers
38 views

axis label problem

I have a contourplot with (Greek) omega on the y-axis and Q^2 (GeV^2) on the x-axis. When I do ...
0
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3answers
215 views

Simple pattern/texture on chart elements [duplicate]

If I print the following BarChart in black and white, then it is very difficult to tell which bar is "a" and which is "b". ...
3
votes
1answer
44 views

Change of parameters on ouput graph

I have generated the graph, but i lost the settings, i would like to make the Plotmarkers slightly bigger. Is there anything to do this without redoing the computation? Like ...
-1
votes
1answer
59 views

moving of a material point on the surface - paraboloid spiral

I have to do project on my studies. I wanna place spiral in this shape. I'm stuck on this point: I have these details: z=4x^2+2y^2 spiral w= (0,0,0) spiral in up Do you have any ideas? Every ...
1
vote
1answer
122 views

planar Conic Sections plot

Among answers of ConicsAssemblyQuery, I posted images that are not pretty. In particular, the parabola is elusive due to large parameter step. Please help. The program attempts to translate and ...
-1
votes
2answers
49 views

Plot a cone and a cylinder [closed]

I have to plot 0=x^2-2y+y^2 and z=sqrt(x^2+y^2) for a class project but Mathematica does not accept raw input, any ideas? I have tried with "cylinder" in the functions but it does not work.
5
votes
3answers
283 views

Box plot combined with histogram and normal curve

Please forgive me if this is a relatively simple thing to do, but I'm relatively new to Mathematica and I've only recently started using it to visualise some statistics for my PhD work (I'm a linguist ...
0
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0answers
36 views

Curve moving on the torus [duplicate]

I'm trying to do parametric curve moving on the torus. Already have created sample torus : ...
0
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1answer
46 views

Manipulate a plot with display of a condition

This is a how to question --- the example is without importance. I want to manipulate the plot of say a x^2 + b y^2 for (a,b) belonging to a specific set, but a + b > 0. Is it possible to make ...