# MATLAB: I need help with this > mx ̈+b(x ) ̇+k(x^3+∝x)=0 with I.c. x(0)=1 and x ̇(0) =0

nonlinearode45

I am completely new in using MATLAB. I have to solve this question as an assignment. Please help me if it's possible. Thank you

   http://www.mathworks.com/help/matlab/math/ordinary-differential-equations.html