Riccati equation

It is a nonlinear first order ODE that was developed in the context of hydrodynamics. It is of the form

u1+p(x)u+q(x)u2=f(x)

Solution in a particular case:
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There is a relation with Schrodinger equation, I think that Riccati equations are what satisfies the exponent of a solution of a Schrodinger equation...

A Riccati-type equation can be transformed into a second order linear homogeneous differential equation (see this). Moreover, it can be "approximately transformed" into a Schrodinger equation (see this).