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

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2
votes
1answer
130 views

How to get a uniformly distributed list of points from a B-spline function

I created a spline function from a list of points and made a plot as follows: ...
0
votes
0answers
53 views

Help to plot Poincare section for a system of delay differential equations

I'am trying to plot Poincare section for a 4-dimentional system of Delay differential equations. I don't know how to specify initial conditions. Can I use each of the code in the following ? Also how ...
0
votes
0answers
48 views

how to create a slope field in mathematica? [duplicate]

Anyone have any good resources for learning mathematics, already sufficient in JAVA. not math... only in calc 2. I want to plot the slope field of ...
1
vote
2answers
77 views

How to plot multiple curve in a same plot with Manipulate

The manipulate function in Mathematica allows the users to adjust the values of the parameters in a graphical way. How do I plot multiple functions in a same graph and also I can use manipulate at the ...
3
votes
2answers
145 views

Problem with Poincare section

these are equations for some double oscillators: $x'(t)=p, p'(t)=-x-3y, y'(t)=q, q'(t)=-y-3x$ I would like to plot the Poincare section for collection of $(y,q)$ when $x=0$ and $x'(t)>0$ (or for ...
2
votes
1answer
77 views

How does one get Mesh lines at 0 in ParametricPlot3D?

The following is in the documentation (MMA 10) under ParametricPlot3D -> Options -> Mesh : ...
1
vote
3answers
91 views

Initial Image Size of dynamic plot

I have a dynamic plot. I want to set an initial image size and then be able to resize it by dragging with the mouse. When the image is updated, I want to maintain the "dragged" size. A naive attempt ...
1
vote
1answer
99 views

geometric construct in GeoRegionValuePlot doesn't work?

As stated in the documentation of GeoRegionValuePlot: The reg can be Entity objects such as countries corresponding to extended geographic regions, or geometric ...
-1
votes
2answers
109 views

3D Plot from 3 Polynomial Equations

Here is my code: ...
0
votes
1answer
81 views

Density map strange mapping of color

I tried to convince Mathematica 8 to plot a density map of a function: $$f(x,y) = \frac{2(x^2 - y^2)-1}{(x^2 + y^2)^2}$$ with color scheme called "TemperatureMap". At $x = \pm 1$, $y = 0$ it's ...
0
votes
0answers
29 views

To write an array by varying two variables

I have a equation G=2X+Y, Now i changed X and Y together from 1 to 10 . I got various values Of G. I have done this by using Table command ,Now I want to plot a graph between G and X, i could not find ...
4
votes
1answer
80 views

Why GridLines->function does not work with LogPlot?

Version 10: This works: ...
10
votes
2answers
564 views

What are the standard colors for plots in Mathematica 10? [duplicate]

Mathematica 10 release appears to have changed the default styling of plots: the most visible changes are thicker lines and different default colors. Thus, answers to this stackoverflow question are ...
7
votes
1answer
162 views

How to get grid lines at all (log) tick marks in Version 10?

In Version 7 using GridLines -> Automatic (or All) would put a grid line at every log-spaced tick mark: ...
8
votes
1answer
150 views

Why does GridLines option fail with Function?

The Plot option GridLines can be specified either as a list of explicit values at which to draw the lines, or as a function that ...
1
vote
2answers
67 views

ParametricPlot - Problem with ColorFunction

I am unhappy with the following mapping: ...
30
votes
1answer
394 views

Is it possible to define new PlotTheme?

In version 10 one can define, say, $PlotTheme = "Scientific" Which changes the appearance of all plots. This is fantastic because on the one hand, I can have ...
0
votes
0answers
42 views

complicated color function and color bar legend (summary of the results from previous relevant posts)

At first let me apologize. I should have read the policies of this forum before attempting a post. I was more accustomed to a moderated forum like MathGroup than such an active one like the ...
19
votes
1answer
448 views

What is wrong with triangle PlotMarkers in v.10.0.0?

In Mathematica 10.0.0 we have built-in graphical triangle PlotMarkers. Let us look closer on them: ...
0
votes
2answers
101 views

Solve differential equation with 3 variables and plotting contour

Suppose we have this equation: $$ 2 - x g(z) f \left(x, \frac{\partial y}{\partial x}\right) = 3y $$ using initial condition $y = 2$ where $g = \left| \frac{3}{2-iz} \right|$ and $f = ...
11
votes
1answer
120 views

BaseStyle ->AbsoluteThickness[somenumber] doesn't work in version 10?

Users of version 9 might be surprised by this outcome: Plot[{Sin[x], Cos[x]}, {x, 0, 5}, BaseStyle -> AbsoluteThickness[5]] It seems that ...
2
votes
2answers
154 views

Rough mesh lines in partially opaque 3D plots

If I plot a surface with mesh lines, they show up fine (of course). However, if the surface is even just a little transparent, they get quite rough. Compare this to setting the Opacity to 1: ...
7
votes
4answers
185 views

PlotLegend disappears if Plot is used with ColorFunction

Working some charts on V10, I discovered that PlotLegends disappears if used together with ColorFunction inside ...
0
votes
0answers
88 views

Timing: how make a program to work faster using built in functions and tables

I want to improve my code to make it working faster even for very large numbers. ...
1
vote
2answers
72 views

Combining Plot and ListPlot in a manipulation [closed]

I have a plot of data points using ListPlot and another plot using a function. I want the function to look like the data points. I am able to use ...
0
votes
1answer
42 views

Using Show to place a ParametricPlot on a LogLog scale

I wish to have a few plots on the same graph: ListLogLogPlot, LogLogPlot and a ParametricPlot drawing lines perpendicular to the x-axis. The problem is however that ParametricPlot doesn't seem to have ...
0
votes
1answer
115 views

Can mathematica rearrange an equation and solve/plot it? [closed]

Suppose we have this equation: $$ sin(x+y+z) = x^2y - wz$$ I want mathematica to plot contours of $x$ with axes of $y$ against $z$ in the limit $w \rightarrow 1$, tried this code but didn't work. ...
0
votes
2answers
58 views

Plot integration curve of a system of ODEs

I'm really n00b in Mathematica, so please bear with me, as this seems to be my only option to learn how to do what I wany to do. I have a system of two differential equations: ...
3
votes
2answers
345 views

Transparency rendering problems in Mathematica 10 (Mac)

For some weird reason, they apparently changed the styling of contours in ContourPlot for 10.0. Here is a comparison of the results for V9 and V10 (first 9, then 10): ...
2
votes
0answers
55 views

Plotting multiple curves with multiple axes (>2) on the same plot

I'm attempting to generate a graph that depicts mulitple time series, measured in different units (but with a common time scale) on the same graph. This is a generalization of the familiar ...
1
vote
2answers
52 views

Enlarging a contour plot

I just started using Mathematica, and when I entered the following: ...
3
votes
1answer
115 views

Wavelength, wavenumber, energy and frequency in a ruler

I would like to generate set of four axis relating wavelength, wavenumber, energy and frequency in an arbitrary range. Like in this image but without the labels such as "RADAR". The selection of ...
2
votes
0answers
19 views

Customizing the distance of plot frame tick labels to frame [duplicate]

How can I customize the distance between the frame tick labels in a plot and the frame of the plot? MWE here —nothing special: ...
3
votes
3answers
111 views

Customizing decimal mark used in plot frame tick labels

I am using the Plot function in a usual way. I use Mathematica 9.0.1.0 in English (I do not know if it is available in other languages, but I do not mind), and as a ...
0
votes
0answers
67 views

puzzled with ColorData

At first let me thank, from this point as well, those that they replied to my previous queries. From a reply I got, I obtained finally the desired graph. ...
3
votes
1answer
105 views

Arranging and combining multiple plots and graphics

I have 4 plots/schematics. They are either created with ArrayPlot[], ParametricPlot3D[] or Graphics[]. As I play with calculation resolutions their absolute sizes will change. I would like a neat way ...
0
votes
1answer
56 views

Density plot of asymptotic behaviour of a linear system

Good morning, I have an ODE linear system $\dot{\vec f} = A \vec f$ depending parametrically to two real parameters, s and p. I'd like to get a density map of the solutions of $f_A/(f_A+f_B)$ at ...
2
votes
1answer
78 views

Why Plot3D does not accept Epilog option [closed]

I am trying to visualize 3D points with Plot3D using the option Epilog. If you check the options of Plot3D ( Options[Plot3D] ), it can be seen that Epilog is one of ...
-1
votes
1answer
53 views

Plot CPU time vs iteration? [duplicate]

I would like to generate a plot of CPU time vs number of iterations. For example, if I were to calculate the solution of a system of differential equations in state-space form using the summation of ...
0
votes
1answer
64 views

Find exact value

I want to know exact x'[t] value where z[t]=0 I know approximate x'[t] value is 107 but I cannot find how to find exact x'[t] value ...
1
vote
1answer
91 views

add a color bar legend to a 3D plot

This has a connection to the previous post here: puzzled with a color function Also, a recent post of mine appeared here: Create a color bar plot legend but I should have solved the problem with the ...
-2
votes
1answer
59 views

Plot various functions in different intervals [closed]

I need to do some really easy in WolfarmAlpha online. I want to to plot 2x for {1 to 3} and ...
0
votes
1answer
66 views

Unexpected behaviour plotting a PDE solution

I'm solving some coupled PDEs (Eb1 and Ef1) and what I plot for Eb1 appears to be correct. However, for some reason, when I go to plot Ef1, I get nothing. MWE is below (beginning is constants and ...
3
votes
3answers
227 views

Using a complicated function as color function

I have an ellipsoid with parametric equations lst = {10*Cos[u]*Sin[v], 3*Sin[u]*Sin[v], 2*Cos[v]}; I define a function ...
0
votes
1answer
54 views

Three dimensional ParametricPlot [closed]

Why do I get nothing from the ParametricPlot3D, ...
1
vote
1answer
75 views

How to avoid plotting lines not defined in a Which function? [duplicate]

How to avoid plotting lines not defined in a Which function? ...
1
vote
1answer
47 views

Plotting a multivariable function [closed]

m[x_, y_] := 0.9*Exp[-((x - 1)^2 + (y - 1)^2)] + 0.5 Exp[-(3^2 ((x - 2.5)^2 + (y - 1.5)^2))] I'm trying to create a 3d plot for the function above. I tried ...
1
vote
1answer
85 views

How to improve a DensityPlot? [duplicate]

Given that ...
1
vote
1answer
106 views

Liouville theorem demonstration

My goal is to create a demonstration of the Liouville theorem in 2D phase space. I made up an interesting potential energy function $U(x) = (x-4)x^3 + 27$, so that the minimal energy of system is ...
3
votes
1answer
163 views

Create a color bar plot legend

I have the following list of parametric equations lst = {10*Cos[u]*Sin[v], 3*Sin[u]*Sin[v], 2*Cos[v]}; I define the following color function ...