Input:
pdsolve(ds(y,t)-a^2*ds(y,x,2)=0)
Write:
`pdsolve(ds(y,t)-a^2*ds(y,x,2)=0)`
Compute:
$$pdsolve(\frac{dy}{dt} - {a}^{2}\ \frac{d^{{2}}y}{dx^{{2}}}=0)$$
Output:
$$pdsolve(\frac{dy}{dt} - {a}^{2}\ \frac{d^{{2}}y}{dx^{{2}}}=0)== C_1+C_3\ ((-oo)\ log(a)+t)+C_2\ x$$
Result: $$C_1+C_3\ ((-oo)\ log(a)+t)+C_2\ x$$
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