The value of the crossing point between two curves?

How can I determine the exact value for the crossing point between two curves? Please see the attached figure.

Answer 1

[Walter Roberson]

http://blogs.mathworks.com/pick/2011/09/09/detect-curve-intersections-quickly-and-easily/

[Esraa Abdelkhaleq]

Thanks a lot.

[Esraa Abdelkhaleq]

Sorry, but when I use "intersections" command the following error appears:

Undefined function 'intersections' for input arguments of type 'double'.

[Walter Roberson]

"Brett's Pick this week is "Fast and Robust Curve Intersections," by Douglas Schwarz. "

In the blog post, that is a link to a File Exchange Contribution