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1
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1answer
15 views

Revert y-axis in RegionPlot

I have the following code: ...
3
votes
1answer
58 views

Little triangles appearing in a Mathematica region plot saved in a PDF file [duplicate]

I am trying to produce a region plot of many functions, but Mathematica keeps showing me the little triangles when I save it as pdf. An example: ...
2
votes
2answers
128 views

region plot in a 2-simplex

I want to plot a 2-dimensional region with constraint $x+y\le N$, i.e., I want to plot a sub-region inside a 2-simplex. As an example: ...
1
vote
1answer
52 views

RegionPlot of a Double integration [closed]

Hey guys I have a problem where I want to sketch the region of integration: Integrate[x Cos[y^2], {x, 0, 3}, {y, x^2, 9}] I know I have to use ...
3
votes
1answer
165 views

Put random points into a specific 2D subregion

I want to cover a particular subregion of the x-y plane with a random distribution. As this particular region is not a circle I encounter some problems declaring the permitted zone where to put ...
2
votes
0answers
100 views

Improve the clarity of a graphic [closed]

I want to use Mathematica to plot two 3D plots which delimit different regions of the space, and I want to show the differences between the region they delimit. These regions are: $z \geq cte /(4 x + ...
1
vote
1answer
82 views

How one can make the boundary of the regionplot smaller or bigger?

Suppose we have a regionplot as follows: ...
0
votes
0answers
39 views

RegionPlot giving an “invalid comparison” error

I am trying to use RegionPlot in Mathematica and I am stuck because I am getting an invalid comparison error. I am trying to evaluate the following code: ...
2
votes
1answer
136 views

Making a rectangular label for RegionPlot

I have a plot that includes a Region Plot. I want to make a rectangle with the same shading as in the region plot to show as a legend. The dumb way I can think off ...
2
votes
1answer
134 views

project from a n-dimensional space to 2-dim

let's say that I have a sphere in $N$-dimensions $$x_1^2+x_2^2+...+x_N^2=R$$ If I want to know the projection on the $x_1-x_2$ plane in this case I can figure out myself that is a circle, but how ...
0
votes
1answer
118 views

How to use ParametricPlot Wih Conditions (or similar)

I´m analizyng the game "Battle of the Buddies" similar to "Prisioner´s Dilenma" All works fine, BUT... I want to draw in red the point whose coordinates are less than the coords of a strategy. ...
2
votes
2answers
141 views

Plotting double inequality only for integer values

RegionPlot is plotting for all values. And using ListPlot I can only evaluate one inequality. How can I plot this type of ...
1
vote
1answer
101 views

How to force the RegionPlot to shade a narrow region?

I have an interactive demonstration, which (very simplified to leave out unnecessary details) looks as follows: ...