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Questions about using or composing operators--functional mappings from one state or vector space to another.

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I would like to solve the following differential equation $\frac{d^2 \psi(r_*)}{dr^2_*} + (\omega^2 - V(r)) \psi(r_*)=0$ and the boundary conditions are $\psi(\inf) = \psi(-inf) = 0$. The problem is …
asked Jul 15 by Edison Cesar