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

3
votes
2answers
I have this code to plot contours: ContourPlot[(Cos[θ] Cos[ϕ])^(1/4), {θ, -π/2, π/2}, {ϕ, -π/2, π/2}, AxesLabel -> Automatic] How would I map those contours on a unit sphere (if it is even possible …
asked Jan 16 '16 by leosenko
1
vote
I did a quick fix: tbl = Table[{Expr1, Expr2}, {\[Alpha], -1, 1, 0.25}]; leg = Table[\[Alpha], {\[Alpha], -1, 1, 0.25}]; Plot[tbl, {x, 0, 1}, PlotLegends -> leg] which seems to work:
answered Apr 22 '15 by leosenko
5
votes
2answers
Is there a simple way to reverse axis on a plot (all --- Plot and LogPlotand LogLogPlot). I found this but it deals with ListPlot. Also I tried ScalingFunctions but they make put the origin wrongly. A …
asked Feb 14 '16 by leosenko
3
votes
2answers
^5$ rows, however, the number of distinct letters in the last column is about 20. I have found some answers but they deal with plotting each point with different colour. …
asked May 2 '17 by leosenko
3
votes
2answers
I have the code below. If you look at the plot, you can see a strange behaviour. The function goes to zero as λ->0 but you can see the plateau below approximately 5e-8. Yet, if I evaluate the function …
asked Feb 14 '16 by leosenko
2
votes
2answers
I would like to reproduce the following plot in Mathematica: This was produced with Gnuplot's splot from a data file with the structure (a text file, each line containing): x y f(x,y) The funct …
asked Mar 6 '17 by leosenko
3
votes
reading help): f[x_] := (3 x^3 - 16 x^2 + 28 x - 16)/(7 x^3 - 9 x^2 + 48 x - 20); Your plot is just plotting a constant that is a line, not a blank graph...Try: Plot[f[x], {x, -20 Pi, 20 Pi}] …
answered Oct 9 '16 by leosenko
3
votes
2answers
I have some discrete data in the form {{x1,y1},{x2,y2},...} and when I produce a ListLogLogPlot they look like this: I would like to produce a density plot or map saying, how much packed the points …
asked May 2 '17 by leosenko
5
votes
1answer
I have a simple example: Plot[UnitConvert[Quantity[x, "DegreesCelsius"], "DegreesFahrenheit"], {x, -25, 300}, AxesLabel -> Automatic] The x-axis has the label $x$ and the y-axis has the label $° …
asked Jan 7 '16 by leosenko
6
votes
What about this?: wave[x_, t_, k_, ω_, ϕ_] := Sin[ω*t + k.x + ϕ]; Animate[Plot3D[wave[{x, y}, t, {1, 1}, 1, 0], {x, 0, 3}, {y, 0, 3}], {t, 0, 10}] where {x,y} or x in the wave function definitio …
answered May 1 '15 by leosenko
4
votes
1answer
As suggested here, the way to be able to make a plot with two y axes is with Overlay. However, Overlay does not produce a graphics object which has many complications, the most basic one is, the plot …
asked Aug 28 '17 by leosenko
2
votes
1answer
I have Plot and ListPlot and I want to combine the using Show: plt = Plot[{Cos[x], Sin[x]}, {x, 0, 2}]; plt2 = ListPlot[{{1, 1}, {0.5, 0.5}}]; plt3 = ListPlot[{{0.4, 1}, {0.2, 0.5}}]; Show[plt, plt2, …
asked Jul 22 '15 by leosenko
1
vote
1answer
How would I control the distance between the y-axis and the left most plot border, ie. the space where description of the axis would be. I have two plots, I export them as two files, and then I place …
asked Mar 17 '16 by leosenko
6
votes
0answers
It seems that having Placed inside Plot breaks the ImageSize specification: cm = 72/2.54; plt = LogLogPlot[Exp[x], {x, 1, 3}, ImageSize -> 12 cm, AspectRatio -> 0.73, Frame -> True, …
asked May 7 '16 by leosenko
15
votes
1answer
minmax2 Out[101]= {-0.511686, 5.11686} Out[102]= {-5.55556, 105.556} I am not experienced in the internals of Mathematica but all this suggests that there is a change in what the plotting
asked Apr 1 '16 by leosenko

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