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$$\begin{array}{l} \displaystyle g(t,x)=A\sin\left(\frac{2\pi... ...ray}\right.\\ (0<a<1, A>0, T>0, N=1,2,\ldots) \end{array}$$

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$B?^(B 1: $u(mT,x)$: $T=0.9$, $L=1000$,
$m$=100,101,102,...,110
($A=1.0$, $M=1.0$)

$B?^(B 2: $u(mT,x)$: $T=0.7$, $L=1000$,
$m$=100,101,102,...,110
($A=1.0$, $M=1.0$)

Fig. 1,2 $B$O(B $L=1000$ $B$N$H$-$N(B $u(mT,x)$ $B$N(B $B%0%i%U$r(B $m=100$ $B$+$i(B $m=110$ $B$^$G(B, $B$9$J$o$A30NO$N(B $100$ $B<~4|L\$+$i(B $110$ $B<~4|L\$^$G$N%0%i%U$r=E$M$F=q$$$?$b$N$G(B, Fig. 1 $B$O(B $T=0.9$, Fig. 2 $B$O(B $T=0.7$ $B$N$H$-$NMM;R(B $B$G$"$k(B. Fig. 1 $B$N%0%i%U$O$[$H$s$I0lK\$N%0%i%U$K8+$((B, $B4X?t(B $u(mT,x) (m=100,101,\ldots,110)$ $B$,$[$\F1$8$b$N$G$"$k$3$H$,$o$+$k(B. $B$3$l$O$3$N2r$,$3$N;~E@$G$[$\(B $T$-$B<~4|2r$K$J$C$F$$$k$3$H$r0UL#$9$k(B. $B0lJ}(B Fig. 2 $B$N%0%i%U$O0lK\$N%0%i%U$K$^$H$^$C$F$$$k$H$O(B $B$$$$$,$?$$(B.

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