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

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7
votes
1answer
170 views

Fixing Spline curves so as to not overlap with themselves - (Diagrams)

Statement of the problem: Conceptually, what I'm trying to achieve is pretty simple. I have some code that generates a set of diagrams from a list of sets of points using BSplineCurve. Certain ...
0
votes
1answer
172 views

Understanding distribution chart

How to explain DistributionChart function in mathematica, For example: if I have ...
2
votes
1answer
619 views

How to combine two plots with the same y-axis

I have a data file which contains three columns of data. The first and the second column correspond to $x$ coordinates, while the third column to $y$ coordinate. Here is a small sample of the data ...
3
votes
2answers
609 views

How to show the coordinates of a point and the equation of a line dynamically? [duplicate]

I am constructing a diagram that consists of a sine curve and its tangent line at a given argument. However, I want to show the coordinates of the point of tangency and the equation of the tangent ...
1
vote
1answer
371 views

Plot the solution complex transcendental equation

I'm trying to plot an implicit function satisfying a complex transcendental equation. The code is the following: ...
1
vote
1answer
77 views

What's wrong with the following Plot in Manipulate?

I try to show the convolution of a step function and a triangle function is smooth with the following code: ...
7
votes
2answers
3k views

Too much whitespace in a GraphicsGrid containing Legended Plots

Where is all the vertical whitespace coming from, and how do I get rid of it? ...
2
votes
1answer
93 views

Plot with non-standard domain

I have data {x, y} where x starts at -25 degrees and goes up to +25 degrees in 1 degree steps, and then comes back down to -25 degrees in 1 degree steps again. I ...
10
votes
4answers
444 views

Finding a point from a set of contours such that it is nearest to a given point

I have several contour lines and one point. How can I find a point in one of those contour lines which is nearest to the given point? ...
2
votes
2answers
168 views

How to plot complex values given by Solve

Update Solve[N[Table[BernoulliB[n, z], {n, 10, 10}] == 0]] ...
1
vote
1answer
314 views

Formatting plot of symmetric points differently to asymmetric points

From an array of numbers, I would like to determine (and then colour appropriately) which points are symmetric about a given axis (here, $x = 1/2$), and which are not. For example, form this: ...
3
votes
2answers
209 views

Differentiating a Cumulative Distribution Function which has a discontinuity at $0$

I want to take the derivative of a distribution function which has a discontinuity at $0$. Here is the function: ...
10
votes
1answer
657 views

How do I place a texture on an irregular 3D model?

I'm trying to reproduce a textured head in Mathematica, and I'm using a kind of 'net' of a head which contains all the features on the face. The texture looks like this: which is supposed to look ...
2
votes
2answers
167 views

How to increase the size of the dot produced by OverDot[]

As the title says, I want to find a way to increase the size of the dot produced by OverDot[]. Here is a simple code ...
3
votes
1answer
265 views

Plot Ticks disappear when combining Plot with Graphics

I'm attempting a simple Plot that I want to add asymptote markers to: ...
2
votes
4answers
304 views

Given an implicit solution, how to plot transformation of this implicit solution?

I have a function, which gives an implicit solution of a variable $y$ as a function of $x$. Moreover, I have a function $f$ which depends on $y$. How to plot a ratio of $f/y$, given that $y$ is only ...
2
votes
1answer
181 views

Set defaults for ViewPoint and AxesLabel

Instead of adding AxesLabel -> {x, y, z} every time to code in order that the axes appear, how can I make Mathematica display the axes by default? Also, how can ...
2
votes
1answer
12k views

Plot points, line and plane in one 3D plot [closed]

What's the easier way to plot these coincidently in 3D: ● The plane $5x - 4y - 9z = 0$ ● Parametric line $x = t, y = t/2, z = t/3$ ● Two points: $(0, 0, 0), (1, -1, 1)$ ? Moreover, how can I pick ...
6
votes
1answer
916 views

Hatched bars and bar-specific background in BarChart

I would like to diagonally hatch the bars in BarChart and to have three different background colors for the different bars, like this: Any ideas how to ...
6
votes
3answers
1k views

Customizing & finding intersection points in polar plot

I want to verify a theory stating that a golden mean spiral plotted on a polar graph will have intersection points at specific values. There should be 8 concentric circles, each at the same ...
2
votes
1answer
181 views

How to frame a PairedHistogram and manipulate the frame ticks?

How can I Frame a PairedHistogram and manipulate the frame ticks? I want to specify and control the frame ticks in the paired ...
2
votes
1answer
249 views

Can Epilog be used with ParametricPlot3D

This command: ParametricPlot3D[{Cos[t], Sin[t], t}, {t, 0, 2 \[Pi]}, Epilog -> {Arrow[{{0, 0, 0}, {Cos[\[Pi]], Sin[\[Pi]], \[Pi]}}]}] Produces the ...
6
votes
4answers
238 views

Draw graph wherein vertices are ArrayPlots

I need to place ArrayPlots in the vertices of graph. i.e. in graph Graph[{1->2, 2->3, 3->1}] I have to replace vertex 1 with ArrayPlots[{{0,0,1}}] and ...
3
votes
1answer
633 views

Plotting velocity vectors for pressure driven pipe flow

So I find the velocity profile for Pressure driven pipe flow and it looks like: $$u = \frac{h^2}{2 \mu} \frac{\mathrm{d}P}{\mathrm{d}x}\left[1 - \left(\frac{y}{h}\right)^2\right]$$ Here, a fluid ...
5
votes
3answers
225 views

Border on part of ArrayPlot

I need to outline with border the group of cells in ArrayPlot. More precisely in my case I would like to outline all blocks of two black squares in the following line. ...
0
votes
1answer
467 views

How can I combine several 2D-plots to one big 3D plot?

So I've been able to make a list given by list = Table[{xValues, f[xValues, t (*fixed*)]}, {xValues, xmin, xmax}] For example: ...
0
votes
0answers
27 views
5
votes
1answer
239 views

How can I stack plots so that they are aligned nicely? [duplicate]

Suppose that I have two plots (e.g., Plot, ListPlot, etc) that cover two regions of space. I would like to display them ...
10
votes
3answers
666 views

How to use legends from PlotLegends in LevelScheme?

I've been attempting to find efficient ways to generate graphics with legends for export, and have been working with both LevelScheme and the new (to v9) ...
1
vote
2answers
627 views

Placing text inside a region with RegionPlot

I am plotting many regions with RegionPlot. I would like to label each region as I plot it so that I get something that looks like figure made with the following code: ...
4
votes
3answers
578 views

Plotting the convolution of the same probability density function with itself

I would like to compute the integral $$q_n(x)=\int_{B}^A q_{n-1} (\omega)f(x-\omega)\mathrm{d} \omega,\quad q_1=f,\quad n\geq 1.$$ for a given density function $f$. Basically it is the convolution ...
4
votes
2answers
1k views

How to plot the 2-D graph of $|x|+|x+y|=1$?

Problem Description: Today,I am countered with a integral problem that I need visualize a 2D graph of the equation $|x|+|x+y|=1$ I plots it step-by-step by hand: When $x \geq 0, x+|x+y|=1$ ...
2
votes
4answers
256 views

Plot counting function semi primes

I am trying to generate a plottable semi-prime counting function. Have tried: ...
1
vote
0answers
769 views

Problem enabling PlotLegends in Mathematica 8.0

I am trying to make a legend for a simple plot in Mathematica 8, but does not seem to recognise the command PlotLegends. I declared beforehand ...
21
votes
2answers
351 views

Plotting a defined function gives different results from plotting the function directly

Consider the following piece of code: function[t_]:=Exp[-9 t^2]; LogLogPlot[{function[t],Exp[-9 t^2]},{t,.01,100}] I expect the two plots to exactly overlap each ...
1
vote
1answer
1k views

Want more vibrant colors in plots

Is it possible to create plots that have vibrant colors like those I create in Python? For instance, take this thread function returning 0 where I used rainbow and here is the temperature gradient: ...
0
votes
1answer
133 views

Curve Fitting Errors

I am trying to fit a part of a dataset to the function $$ae^{-b\sqrt{x-c}}$$. My friend was using GNUPlot to this and got reasonably good results. However when I try to this with Mathematica : ...
3
votes
2answers
211 views

CustomTicks - Changing NumberPoint -> “,”

How can I change the number point from . to , in CustomTicks ? The Mathematica built-in ...
-1
votes
1answer
136 views

Plotting a function that uses the solutions to a system of differential equations

I am trying to draw a plot by using the solution of differential equations ...
0
votes
1answer
1k views

Ellipsoid in spherical cordinates

I am trying to plot in spherical coordinates the ellipsoid defined as $$(x/3a)^2+(y/2a)^2+(z/4c)^2=1$$ This is my code: ...
1
vote
1answer
94 views

Issues with creating functions [duplicate]

Sometimes when I try to create a function inside a function, Mathematica gives me a hard time. I usually just have to play around with the syntax until it gets something it "likes" but I really have ...
8
votes
6answers
2k views

Filling a curve to a vertical axis

I am preparing a figure for an article, and I would like very much to be able to fill a curve, but not under it, but to the vertical axis, i.e. to the left. Due to the meaning of the data I present, I ...
13
votes
7answers
1k views

Finding the best way to visualize rather complicated data

I have the following data ...
1
vote
2answers
182 views
5
votes
3answers
515 views

Plot 3D image of function

I'm (very!) new to Mathematica, and trying to use it plot a set in $\mathbb{R}^3$. In particular, I want to plot the set $$ \big\{ (x,y,z) : (x,y,z) = \frac{1}{u^2+v^2+w^2}(vw,uw,uv) \text{ for some ...
8
votes
4answers
4k views

How can I manipulate the number of decimal places in the frame ticks?

Is there any simple way to increase or decrease the decimal places in the frame ticks. I want to make the y axis ticks of the first two and the second two graphs look similar.
2
votes
0answers
53 views

Why does AbsoluteOptions give the wrong answer for ListPlot? [duplicate]

I'm trying to get the PlotRange from a ListPlot graphic: ...
5
votes
1answer
314 views

How to speed up multi-curve plotting?

The following example is a very simplified version of the problem I'm working with, though I hope it still captures the essentials. First, the definitions: ...
8
votes
2answers
340 views

Labeling a three-dimensional plot

As the title says, I want to add some text in a three-dimensional plot, thus labeling specific parts of it. Here is the corresponding Mathematica code ...
3
votes
1answer
174 views

Any way to speed up evaluation in an Animate?

I have a self-defined function which is fairly complicated and gives the analytical form. The result contains two independent variables. I use Animate to plot the ...