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

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2
votes
2answers
602 views

How do I add contour labels to contour plot?

I tried ContourPlot[f[x, y], {x, -2, 2}, {y, -2, 2}, ContourLabels->automatic] , but it messes up the contourplot. How can I just add values to the contours ...
2
votes
4answers
457 views

How to create 3d region of f[x,y] over triangular region on xy plane?

I need to create a VOLUME under f[x,y]= x (y^3 + 1)^(1/2) that's above the triangular region bounded by y=x/3, ...
1
vote
1answer
190 views

Plotting ODE solutions with two parameters

I have a system of two first-order ODEs with two parameters, a and b and I'm trying to plot the solution curve in the X-Y plane at a given initial condition for various parameter values. Can someone ...
0
votes
1answer
122 views

Problem with DensityPlot Plot3d of Heavisde function

I have problem with heavisde pi or theta function. When I plot them densly i.e. w[x,y] like this w[x_, y_] = Sum[HeavisidePi[x - i/100], {i, 1, 200}]; I get ...
3
votes
2answers
659 views

Parametric contour plot?

I am trying to plot a contour of a function g(x,y) (in particular, the contour g(x,y)=1) on a different set of axes than (x,y): I want to plot it on (f1(x),f2(y)), where f1 and f2 are (monotone ...
4
votes
1answer
136 views

Can anyone help me to get the solution of this first order ODE?

$\ y'(x)=-\sqrt(y(x)^3)$ with initial condition $\ y(0)=-2$. In fact, this is an example here in page 3-4 ...
1
vote
0answers
65 views

Align a plot with other rotated plot [duplicate]

i'm plotting two plots one of them is rotated 90º and has no axes labels, so my problem is that when i plot them together in a row the alignment options bottom top align the top to top or bottom to ...
0
votes
1answer
344 views

Labelling a bar chart with multiple data sets

I'd like to plot a bar chart with two data sets $\{a_1,a_2,\dots,a_n\}$ and $\{b_1,b_2,\dots,b_n\}$ in such a way that the columns appear in the order $\{a_1,b_1,a_2,b_2,\dots,a_n,b_n\}$ and that each ...
0
votes
1answer
102 views

ColorFunction that depends on angle of line

I have a ListLinePlot, and I want the ColorFunction to vary as the angle, so that the color of the whole line depends on its angle from the x-axis. Here is a MWE of what I am doing: ...
1
vote
1answer
174 views

List(Line)Plot with a big jump

I am trying to plot a joined plot. Some possible ways would be ListPlot with Joined -> True or ...
2
votes
1answer
122 views

plot the numerical value of the average on a BoxWhiskerChart

Im using BoxWhiskerChart to get a boxplot of a matrix of two columns. I need to read the value of the sample average directly from the plot and not from the axes. ...
2
votes
1answer
111 views

Multiple dynamic equations for plotting?

Say I have a bunch of equations between variables e.g. h=bcd, i=hce, j=ihbd, ...
21
votes
1answer
571 views

How to write Morse code into Plot Dashing?

How can we define a dashing pattern in a plot such that it reads arbitrary text in Morse code? For instance Graphics[{DotDashed, Line[{{0, 0}, {5, 0}}]}] ...
1
vote
1answer
91 views

Make plots of solutions persist

How can the code below be modified so that at allow plots of solutions to persist upon clicking in the slope field. For example, after three clicks, the plots of all three solutions should remain. In ...
18
votes
1answer
190 views

Is plot polluting my context?

Bug introduced in 10.0.2 or earlier and fixed in 10.1.0 Whenever I plot something 3 temporary variables get added to my current context. Example (fresh Kernel): ...
1
vote
0answers
49 views

The use of Evaluate in NDSolve and Plotting the answer [duplicate]

I am having a bit of hard time understanding the use of Evaluate when plotting the output of NDSolve. From the documentation, I enter: ...
2
votes
3answers
255 views

How to embed a filled Region in a Graphics?

Let for example: regn = RegionDifference[Rectangle[{-2, -2}, {2, 2}], Disk[{0, 0}, 1]]; The only documented way I found to draw a gereric region ...
4
votes
2answers
271 views

How to plot a function that is not defined after certain point

I'm plotting a function that I get after numerically integrating over another function. Something like: f[x_,y_]:=NIntegrate[g[x,y,z],{z,0,1}] I know that above ...
3
votes
2answers
538 views
6
votes
1answer
333 views

Does anyone know a way to draw lines connecting nearest neighbor points in ListPlot[ ]?

I have a two-dimensional mesh that I am visualizing in Mathematica, with ListPlot[]. The mesh looks like this: Any ideas for how to connect all the nearest neighboring points with lines? Thanks, ...
23
votes
3answers
1k views

Is it possible to draw really thin lines in Mathematica?

I want to have in Mathematica the same result I have in Python: I have this nice effect simply by using very thin lines. But it seems in Mathematica thickness property has some limit and i just got ...
1
vote
1answer
214 views

How to plot curves in ternary plot (triangular plot) [duplicate]

I need to plot the following curve in a triangular (ternary) plot: $$|x_{BB}-x_{AA}|=(\sigma_c-2x_{AB}+1)^{\gamma}, \qquad (1)$$ subjected to the condition (this condition must satisfy for a ternary ...
0
votes
1answer
70 views

I want to import a .csv to Mathematica but when I do that the decimal are denoted by “,”. What can I do? I need points [duplicate]

Import["C:\Users\Maria Del Mar\Desktop\LECCIÓN\masa a.csv", "table", FieldSeparators -> ";"] // TableForm
3
votes
2answers
285 views

How can I best plot timestamps by frequency-to-date?

I have a site called Sudomemo. I record when I first see a user in the database; and I've exported it in JSON format, located here. http://www.sudomemo.net/statistics/firstSeenDump.php I've done ...
2
votes
1answer
133 views

How to exclude a region from ParametricPlot

Suppose I have functions f[x] and g[x] which are defined in the region 0 ≤ x ≤ 1 and ...
1
vote
1answer
193 views

Table for 3D list plot

I have a function which is defined with an integral and a sum, in other words, its numerical, so i want to make a table (nxm) with the following entries: ...
5
votes
4answers
164 views

What is wrong with this code?

I am plotting polar curves with PolarPlot and I tried plotting a parabola with $\frac{2}{1-\cos x}$ and $\sec x$. Obviously there are two singularities that have ...
3
votes
1answer
322 views

White region in ContourPlot

The following code ContourPlot[Min[(-7 + 100 t - x) (5 + 100 t - x), (400 t^2 + 40 t (-5 + x) + (-5 + x) (7 + x))], {t, 0, .05}, {x, -1, 5}, PlotRange -> All] ...
1
vote
1answer
340 views

Plotting knot torus

I'd like to plot together a torus and a knot on it, that is, closed curve wrapping around the torus, $m$ times around a circle and $n$ times around the other circle. It will be used to explain ...
4
votes
2answers
228 views

Label rows and columns of an ArrayPlot?

Is it possible to label the rows and columns of an ArrayPlot? I have a somewhat large matrix, about 90x90. The rows and columns of this matrix have names. I want to plot this matrix using ArrayPlot, ...
2
votes
3answers
225 views

Plot a transformed distribution with an If function

Suppose I have a normal distribution $A \sim \mathcal{N}(\mu,\sigma^{2})$ with a known cutoff point (percentile) on this distribution called $c$. Based on this point the distribution needs to be ...
13
votes
1answer
307 views

How to obtain transparent animated gif via Export?

I have the following code to create animated GIFs: ...
0
votes
1answer
263 views

Power series graphs?

I would like to graph this function and its first 6 Taylor polynomials on the same axis, but I'm not sure how to start: f[x_] = Exp[x]; Plot[f[x], {x, 0, 1}]
0
votes
2answers
113 views

Show legend on plot [duplicate]

I have a series of curve I'm plotting using ListPlot. For each plot I'm changing a variable called X. Is there anyway I could ...
0
votes
1answer
231 views

Help Please : Error in plotting the solutions of FindRoot

I want to find the roots of an equation using FindRoot as a function of a real parameter K and then plot the real and imaginary solutions vs. the parameter K. The function I'm trying to find the ...
0
votes
1answer
121 views

Count intersections of two non-polynomial functions [duplicate]

I have two Bessel functions, and I need to be able to count the number of intersections if both functions are plotted dependent upon the same variable. I can use FindRoot or FindInstance to get one ...
2
votes
1answer
89 views

Plot several columns of table with variable number of columns and display the legend accordingly

I use this command to plot all values from the 1st column of Table "results" against all values from the 2nd column: ListLinePlot[{results[[All, {1, 2}]]} Now, ...
3
votes
3answers
205 views

How to detect outlier in data of an unknown function $f(x)$

Suppose I have an unknown function $f(x)$ that is monotonic, convex and nonlinear by definition. I somehow evaluated it at 1000 nonuniform $x$ points. By ploting these data, I found a very obvious ...
0
votes
2answers
162 views

manipulating the X axis notation in mathematica graph [duplicate]

I plotted a graph in mathematica that displays the function M/1480 = (4*Pi*G*r)/(3c^2) R^3 here , ...
0
votes
2answers
54 views

How to discern the different curves?

When we plot many curves, due to repeated colors it becomes difficult to discern that which curve belongs to which equation. For instance, ...
1
vote
2answers
182 views

How to create an effective PlotLegend when plotting many ListPlots?

I'm creating a ListPlot where I plot many data sets simultaneously. Currently, my code that produces it is something like this: ...
2
votes
2answers
143 views
1
vote
1answer
129 views

“Independent” Variables in Manipulate

I am trying to plot the solutions to the Kepler problem. I am using Manipulate. It plots the orbits, the equipotential lines and the position of the planet. When I move the time variable, only the ...
3
votes
1answer
485 views

Want a different color for each curve displayed with Show

I want a different color for each curve that I am displaying with Show. The functions are: custom1 custom2 custom3 custom4 custom5, and I am using the following ...
0
votes
1answer
124 views

Some parts of curves are being cut off by the frame in my multiple curve plot

I am trying to plot several curves and show them in the same figure, but parts of curves being cut off by the frame and not showing fully. I am using the commands ...
0
votes
1answer
101 views

Combining two SmoothHistogram plots without normalization of each

I'm trying to plot a density of states out of a list of energy values, and on it I want to include another over-layed plot with it that shows some fraction of that density of states at different ...
3
votes
2answers
412 views

Plot a space curve and its curvature

The vector is < te^t, e^-t, Sqrt [2]t >, where -5 <= t <= 5 I have to plot the space curve and its curvature ...
1
vote
1answer
205 views

Unmapped white region in ContourPlot, PlotRange -> All does not fix the issue

When I try to create a ContourPlot of the magnitude of the following vector I get a white area that should be filled with values. Running the following code: ...
5
votes
2answers
239 views

Labelling a subset of contours using ListContourPlot

I have a data set with entries of the form [nx,ny,E] and have made a contour plot of this data. I would like to add labels to only a subset of these contours, for instance every other contour. How ...
1
vote
1answer
450 views

Frame labels for Overlay of two plots to look like plot with two y-axes

I have a two time differential equations system: A[t] and B[t]. (I am omitting their specific form.) I would like to display the ...