Linked Questions

8 votes
4 answers
4k views

Finding intersection points of two graphics [duplicate]

I am drawing a curve from a list using: ...
jj364's user avatar
  • 153
0 votes
2 answers
1k views

intersection between two curves in Mathematica [duplicate]

I have a ListLinePlot of some datas and a plot of a constant function. How can I find the intersection point? My data are: <...
Ema's user avatar
  • 3
0 votes
2 answers
361 views

Solve an interpolating function [duplicate]

I have been working with interpolating functions recently and have two functions as a result of an interpolation of two co-ordinate lists. The code I used: ...
FFerreira's user avatar
0 votes
0 answers
136 views

How to Invert a Multivariate Interpolating Function? [duplicate]

I used NSolve on a partial differential equation with boundary conditions to get a numerical solution that Mathematica says is of the form InterpolatingFunction. I then defined a function f(x,y) which ...
Izzhov's user avatar
  • 101
84 votes
9 answers
7k views

Updating Wagon's FindAllCrossings2D[] function

Stan Wagon's Mathematica in Action (second edition; I haven't read the third edition and I'm hoping to eventually see it), demonstrates a nifty function called ...
J. M.'s missing motivation's user avatar
40 votes
2 answers
18k views

Marking points of intersection between two curves

I'm trying to illustrate the solutions numerically and graphically for an equation such as Tan[x] == x. I think I did everything ok except I wanted to mark each ...
fiz's user avatar
  • 735
8 votes
5 answers
4k 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: ...
Sarah Markers's user avatar
4 votes
3 answers
6k views

Using FindRoot with an interpolating function

This question bears resemblance to a few other questions on mathematica.SE about finding points of intersection of crossing curves. I know that the guidebook of numerics has an entry about the whole ...
dearN's user avatar
  • 5,341
8 votes
2 answers
1k views

Intersection of two splines

I have a collection of sets of points, each set defining the segment of a (nice) curve on the unit sphere $S^2 \subset \mathbb{R}^3$. The points are computed numerically. I now want to compute the ...
user10303's user avatar
5 votes
2 answers
3k views

Calculating the area under a curve, but above a certain threshold value

so here I am with a time series of data (hours (t) and corresponding measurements (a)). ...
blinkenstack's user avatar
4 votes
2 answers
481 views

Find intersection of curves

I have a curve (not a function) as a list of points and I would like to find the intersection of the curve with another curve (another set of points). To be more concrete about the problem I am ...
Charlie's user avatar
  • 506
4 votes
1 answer
972 views

Find Intersection of Two Interpolation Functions

How can I find the intersection between two interpolation functions? ...
Tomi's user avatar
  • 4,378
6 votes
2 answers
594 views

Optimizing the edge lengths of a graph

This is a follow up to my question posted here The following code scales the edge lengths of a graph to be equal to edge weights ...
Natasha's user avatar
  • 359
0 votes
3 answers
203 views

How to get accurate intersection point values?

...
kittygirl's user avatar
  • 707
-1 votes
1 answer
131 views

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

I have the following code: ...
Amin's user avatar
  • 81

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