Linked Questions

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 ...
4 votes
2 answers
487 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 ...
0 votes
2 answers
189 views

Finding the solution for argument of interpolating function for known functional value

Suppose I want to numerically determine the location of an object falling vertically in a gravitational field from an arbitrary height h. I know that I can use <...
0 votes
2 answers
383 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: ...
6 votes
2 answers
602 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 ...
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 ...
0 votes
3 answers
203 views

How to get accurate intersection point values?

...
4 votes
1 answer
982 views

Find Intersection of Two Interpolation Functions

How can I find the intersection between two interpolation functions? ...
8 votes
4 answers
4k views

Finding intersection points of two graphics [duplicate]

I am drawing a curve from a list using: ...
85 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 ...
-1 votes
1 answer
131 views

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

I have the following code: ...
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: ...
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: <...
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)). ...
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 ...

15 30 50 per page