Join us as we take on the McDonald's challenge, tasting food from various McDonald's locations around the world—from the world’s cheapest McDonald's to the most expensive! This travel experience and ...

∂u/∂t + u ∂u/∂x = ν ∂²u/∂x² + f(x,t), x ∈ [0,1], t ∈ [0,1] = e^{−t} (νπ² − 1) sin(πx) + π/2 · e^{−2t} sin(2πx) The nonlinear term u u ...