two x solutions graphical how can i restrict the range?

Hi guys,

I have an equation to solve for which involves finding the x solution for a certain y value. However for that y value there are two or more solutions. However I know that the x solution should be greater than i.e. x>2 (which is the correct solution). How do I restrict the function in mat lab to give me x>2?

Would anyone know how to do this?

Any help would be appreciated.

[Devi Satya Cheerla]

try to read a new variable like 't' and for loop x > 2..,t=x;

[Walter Roberson]

How are you finding the solution at present?

[sarah]

Currently I'm using solve function to solve for the equation. The solve function gives me four solutions one complex solution, and 2 others but I would like it to only give me specific one (which i know is the correct answer).

[David H]

Assuming you are using "solve" in the form

sol = solve(f(x) == 0,x)

just take

sol = sol.x(sol.x > 2);

[sarah]

Thanks so much David.

[Walter Roberson]

Be a bit careful there, ">" can ignore the complex part.

sol.x(imag(sol.x)==0 & sol.x>2))