Linked Questions

4
votes
4answers
719 views

Show intersection points between a curve and a line [duplicate]

I'm pretty new to Mathematica. I'd like to show the intersection points in my graphic. These are my inputs: ...
27
votes
6answers
7k views

How to get intersection values from a parametric graph?

I have this graphed: ParametricPlot[{2.4*Cos[t] + 1.6*Cos[3 t/2], 2.4*Sin[t] - 1.6 Sin[3 t/2]}, {t, 0, 4*Pi}] It is a star, and the lines cross each other twice ...
30
votes
6answers
12k views

Finding the intersection of a curve with an interpolation function

There are no issues trying to find the intersection points of two defined curves. ...
22
votes
6answers
12k views

Plotting discontinuous functions without spurious vertical segments

Consider the plot of this discontinuous function: f[x_] := If[2 < x < 3, 0, x] Plot[f[x], {x, 0, 5}] I'd like to plot that without the vertical segments. ...
13
votes
3answers
7k views

Labeling points of intersection between plots

There are several answers where Mathematica used mesh points to show graphically where curve intersections exist. For example: Marking points of intersection between two curves or Is there a better ...
8
votes
6answers
3k views

Finding where two parametric paths cross?

I have been looking through other parametric equations questions and am still unsure where to start with this one. I am given two functions: ...
7
votes
4answers
1k views

Finding intersection points of two graphics [duplicate]

I am drawing a curve from a list using: ...
4
votes
3answers
3k views

Points of Intersection

How to numerically find points of intersection between pair of curves (Here,a circle and a parabola) ? Finding it a bit messy as, for a point on one curve, slope of the other is involved. ...
4
votes
1answer
2k views

HarmonicNumber problem

I am looking for all the roots of HarmonicNumber, in the domain [-30, 1] and [0, 6000] for the real and imaginary parts, respectively, and where the parameter ...
2
votes
3answers
3k views

Plotting two surfaces and visualizing their intersection

Trying to plot the following two functions to show points of intersection. ...
5
votes
2answers
106 views

Plot and find intersection points of multiple curves

I tried to plot and find the coordinates of the intersectrions of more than two curves in a the plot. Is there a special way to do this? Here's my code so yu can visualize the whole thing. ...
4
votes
2answers
131 views

Efficiently find all values of parameter such that any of the eigenvalues of a matrix is equal to 1

I wish to find all values for a parameter such that my matrix has an eigenvalue of 1. Here is an example 16-by-16 matrix with elements depending on the parameter x ...
1
vote
1answer
224 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 ...
-1
votes
1answer
104 views

How I show the case numbers on a plot? [closed]

I have the following code: ...
0
votes
2answers
74 views

Solution Transcedental Equation with(Graphical method) [closed]

If 3x + logx = 30, then what is x? Solution with W-Function... The equation is 3x+Logx=30(1) we know that accept we^w=y=>w=W(k,y)..k in Z.But if w=3x=>3xe^(3x)=y=>3x=W(k,y)(2) but from (1)… Log(3x)+...