Is there an analogue of the $\theta$-method for a general semilinear parabolic partial differential equation $$ \frac{\partial u}{\partial t} = a(x, t) \frac{\partial^{2} u}{\partial x^{2}} + b(x, t) \frac{\partial u}{\partial x} + c(x, t)u(x,t) + d(x,t)? $$
2026-03-27 13:27:34.1774618054
Is there a Theta-Method Numerical Scheme for General Semilinear Parabolic Partial Differential Equation?
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