Hi...

I want to solve  this ODEs using Maple...

f’’’ + f f’’ – f’² + λ θ = 0

(1/Pr) θ’’ + f θ’ – f’ θ = 0

and boundary conditions

f(0) = s,  f’(0) = σ + a f’’(0) + b f’’’(0),  θ(0) = 1,

f’(η) = 0, θ(η) = 0  as  η → ∞.

Can anyone help me to solve this problem? Thank you... =)