Is there anyone can help me get the Eq.14 from above equations? Why is a "+" in the Eq.14? I thought
using v(Φ(X, t), t) to replace V(X, t), then could get an equation like Eq.14 but without the first term.
Is there anyone can help me get the Eq.14 from above equations? Why is a "+" in the Eq.14? I thought
using v(Φ(X, t), t) to replace V(X, t), then could get an equation like Eq.14 but without the first term.
Copyright © 2021 JogjaFile Inc.