Input:
pdsolve(ds(y,t)-ds(y,x,0.5)=2z-2y,ds(z,t)-ds(z,x,0.5)=4z-4y)
Write:
`pdsolve(ds(y,t)-ds(y,x,0.5)=2z-2y,ds(z,t)-ds(z,x,0.5)=4z-4y)`
Output:
$$pdsolve(\frac{dy}{dt} -\frac{d^{{0.5}}y}{dx^{{0.5}}}=2\ z-2\ y,\frac{dz}{dt} -\frac{d^{{0.5}}z}{dx^{{0.5}}}=4\ z-4\ y)== y=\frac{1}{8}\ ((-8)\ c_1+2\ (C_1\ exp(2\ t)+C_1\ E_{0.5} ((-2.0)\ \sqrt{x})))\ and\ z=\frac{1}{2}\ ((-2)\ c_1+C_1\ exp(2\ t)+C_1\ E_{0.5} ((-2.0)\ \sqrt{x}))$$
Result: $$y=\frac{1}{8}\ ((-8)\ c_1+2\ (C_1\ exp(2\ t)+C_1\ E_{0.5} ((-2.0)\ \sqrt{x})))\ and\ z=\frac{1}{2}\ ((-2)\ c_1+C_1\ exp(2\ t)+C_1\ E_{0.5} ((-2.0)\ \sqrt{x}))$$
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