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Carlos Ivorra Castillo AN´ALISIS MATEM´ATICO - Tecnologia-Tecnica

Carlos Ivorra Castillo AN´ALISIS MATEM´ATICO - Tecnologia-Tecnica

Carlos Ivorra Castillo AN´ALISIS MATEM´ATICO - Tecnologia-Tecnica

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13.4. La ecuación de ondas 465<br />

luego basta ver que tM(ψ)(x, vt) satisface la ecuación de ondas. Según (13.17)<br />

tenemos<br />

∂M(ψ)(x, vt)<br />

= v<br />

∂t<br />

∂M(ψ)<br />

(x, vt) =<br />

∂r<br />

1<br />

4πvt2 <br />

∆ψ(y) dm(y)<br />

y−x

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