Waves in 1-D 0 d For this example, But f also varies with time y=f(x)=A sin X d y f(x,t)=A sin d cos(ωt) The function is called the Wavefunction: 平xt) Π-8Waves in 1–D A d For this example, But f also varies with time The function is called the Wavefunction: Ψ(x,t) 0 y= f(x) = A sin ( πx d ) y = f(x,t) = A sin cos (ωt) ( πx d ) II-8