Finding the intersection of a function with its derivative

5 views (last 30 days)
I have this code:
x=sym('x'); f=2*sin(log(x)).^2; g=diff(f); h1=ezplot(f); set(h1,'Color','red') hold on ezplot(g) grid on
Now, how I can find the value of the points where they intersect?

Accepted Answer

Wayne King
Wayne King on 15 Dec 2013
Edited: Wayne King on 15 Dec 2013
How about:
syms x
f=2*sin(log(x)).^2;
g=diff(f);
solve(f-g) % or solve(f==g)
  3 Comments
Sebastian Ciuban
Sebastian Ciuban on 15 Dec 2013
That is the thing that I want to know :). The value of all points where those 2 curves intersect

Sign in to comment.

More Answers (0)

Categories

Find more on Symbolic Math Toolbox in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!