Linked Questions
63 questions linked to/from Plotting implicitly-defined space curves
8 votes
2 answers
2k views
How to plot a surface from a system of equations? [duplicate]
It seems like a natural thing to do, however I can't seem to find anything on the docs nor here on SE. What I'd like to plot is the locus of solutions to a system of (polynomial) equations, e.g. $$\...
4 votes
3 answers
2k views
How to obtain the coordinates of the intersection line of two surfaces? [duplicate]
I can plot the intersection line of two surfaces $f$, $g$ by using: ...
0 votes
1 answer
2k views
Plotting a curve in 3D [duplicate]
Say I have two polynomials in $\mathbb{R}[X,Y,Z]$, whose intersection of zero loci correspond to a curve in the 3D space. What is the best way to plot the curve? Example: $$ f = X^2+Y^2-Z^2, \qquad ...
5 votes
2 answers
263 views
Visualize manifold specified by equalities [duplicate]
Suppose I have two nonlinear equalities $x^3 = y^2, y = z^3$. How can I visualize the manifold in $\mathbb{R}^3$ that is generated by simultaneously satisfying the two equalities? I think ...
2 votes
1 answer
399 views
Plotting the intersection between two surfaces [duplicate]
I have two surfaces given by ...
2 votes
1 answer
719 views
To plot 3D graph with a region boundary as the constraint [duplicate]
How to get the output graph which consider only x^2+y^2=4 (the boundary of the region only)? I found this on the Help. ...
1 vote
0 answers
1k views
How to find the intersection curve between two surfaces [duplicate]
I'm trying to find the graphic of the curve of the intersection of the hyperbolic paraboloid $z=y^2-x^2$ and the cylinder $x^2+y^2=1$. I could show them together: I want to see the curve of ...
0 votes
1 answer
1k views
How to plot a solution set? [duplicate]
I have two functions, let's call them $F1$ and $F2$. Both take the same three arguments: $x1, x2$ and $\epsilon$. With every $\epsilon^* \in [0,1]$, there should be either zero or one unique point $(...
1 vote
1 answer
291 views
Contour3Dplot more graphs in one picture [duplicate]
How can I plot two equations in one 3D graph. I have to plot x^2+y^2=1 and x^2+y^2+z^2=2 but I want tu plot only their intersection :( Thank you
40 votes
6 answers
3k views
Finding length of intersection of two surfaces
I would like to know how we find the length of the intersection of two surfaces. For instance, in the following example,a surface intersects with a plane: How do we find the length of intersection ...
34 votes
3 answers
9k views
I'd like to display field lines for a point charge in 3 dimensions
I'd like to display field lines for a point charge in 3 dimensions. Not a force field (short arrows) but continuous field lines that start on the charge.
20 votes
5 answers
41k views
How to plot an ellipse?
I'm new to Mathematica, and I'm finding it difficult to plot an ellipse. I tried using Plot[(x/5)^2 + (y/3)^2 == 1, {x, -5, 5}, {y, -3, 3}] but I'm getting ...
62 votes
1 answer
4k views
Implementing a first person view of 3D objects in a scene
I've created the following scene with a Chinese-style building surrounded by trees, and a horse and a rabbit grazing on the grass in Mathematica (don't ask me why there's a bust of Beethoven in there.....
9 votes
3 answers
6k views
Plotting contours plot for f(x,y,z)=c
I have the following question: I have a file that has structure: x1 y1 z1 f1 x2 y2 z2 f2 ... xn yn zn fn I can easily visualize it with Mathematica using ...
19 votes
2 answers
3k views
Getting an InterpolatingFunction from a ContourPlot
I have a function, say minimizeme[Ω_][β_][ϵ_] = ϵ^2 Ω - Log[2 (Cosh[2 β] + Cosh[2 β ϵ])]/(2 β); I want to find its critical points in $\epsilon$ for a given ...