First Problem in Lecture 6.4

function rhs=rhs_bvp(x,y,beta)
rhs = [y(2); (beta-100)*y(1)-y(1)^3];
Second Problem in Lecture 6.4

function rhs=rhs_bvp(x,y,beta)
rhs = [y(2); (beta-100)*y(1)-10*y(1)^3];