Input: pdsolve(ds(y,t,0.5)=ds(y)-2y)
Write: pdsolve(ds(y,t,0.5)=ds(y)-2y)
Output: pdsolve(d0.5ydt0.5=dydx−2 y)==pdsolve(a=b,y)
d0.5ydx0.5=y⋅sin(x)x
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